2/ 1*2= 1 3/ 1*3= 1 3/2*3=2 3/ 1*6=2
4/3*8=6 5/3*20= 12 7/3* 14=6 8/7*40=35
4/3* 16= 12 9/5*27= 15 2/ 1*30= 15 12/7*24= 14
30/ 1*30= 1 5 1/9* 102= 18 19/9*76=36 4/9*8= 18
5/8*90= 144 99/98*99=98 3/ 14*6=28 7/ 1*28=4
10/ 1*90=9 5/3* 105=63 19/7*38= 14 5/ 1*25=5
8/ 19* 16=38 6 1/60* 122= 120 7/2*28=8 6/ 1*48=8
9/7* 18= 14 25/7* 100=28 9/5*8 1=45 8/9* 16= 18
1÷4/5= 7/ 10÷ 1= 1/9÷5=
1/2÷2/3= 3/8÷5/8 = 9÷3/4 =
2/7÷2/7 = 6÷ 1/6= 3/5÷ 1/3=
1/3÷ 1/4= 2/5÷5= 5/ 12÷ 1/3=
1÷ 10/ 1 1= 5/ 12÷ 1/8 = 9/ 10÷3/4=
2/9÷3/ 18= 1/4÷3= 12/ 13÷26=
19/6÷3/2= 2/3÷7/2= 6/7÷ 14/2=
16/7÷2 1/4= 29/3÷6= 4/3÷7=
9\4÷8= 3/ 12÷2/9= 1/6÷2/9=
6÷ 1/4 = 20÷ 1/4= 1/4÷5 =
1÷3/5= 5/ 10÷ 1= 1/8÷5=
1/2÷ 1/3= 3/8÷7/8 = 9÷3/5 =
2/7÷2/5 = 6÷ 1/2= 3/5÷ 1/4=
1/3÷ 1/3= 2/5÷ 1/5= 5/ 12÷ 1/6=
1÷ 1/ 15= 5/ 12÷ 1/7 = 9/ 10÷3/2=
2/9÷3/ 12= 1/4÷ 1/2= 12/ 14÷26=
19/6÷ 1/2= 2/3÷ 1/2= 6/7÷ 1/2=
16/7÷ 1/4= 29/3÷ 1/6= 1/3÷7=
1\4÷8= 3/8÷2/9= 1/6÷4/9=
6÷ 1/4 = 20÷ 1/4= 1/4÷/5 =
1/2÷4/5= 7/ 10÷ 1/5= 2/9÷5=
1/2÷ 1/3= 3/8÷ 1/8 = 9÷ 1/4 =
2/7÷ 1/7 = 6÷5/6= 3/5÷2/3=
1/3÷3/4= 2/5÷ 1/5= 5/ 12÷ 1/ 13=
1÷9/ 1 1= 5/ 12÷7/8 = 9/ 10÷ 1/4=
2/9÷5/ 18= 1/4÷2/3= 12/ 13÷ 1/5=
19/6÷3/ 12= 2/3÷7/ 12= 6/7÷ 1/ 12=
16/7÷ 1/24= 1/3÷6= 4/ 13÷7=
3/4÷8= 3/8÷ 1/9= 1/6÷2/7=
6÷ 1/ 12 = 20÷ 1/5= 1/4÷ 1/5 =
2/ 1*2= 1 3/ 1*3= 1 3/2*3=2 3/ 1*6=2
4/3*8=6 5/3*20= 12 7/3* 14=6 8/7*40=35
4/3* 16= 12 9/5*27= 15 2/ 1*30= 15 12/7*24= 14
30/ 1*30= 1 5 1/9* 102= 18 19/9*76=36 4/9*8= 18
5/8*90= 144 99/98*99=98 3/ 14*6=28 7/ 1*28=4
10/ 1*90=9 5/3* 105=63 19/7*38= 14 5/ 1*25=5
8/ 19* 16=38 6 1/60* 122= 120 7/2*28=8 6/ 1*48=8
9/7* 18= 14 25/7* 100=28 9/5*8 1=45 8/9* 16= 18
4/9×3= 5÷ 1/3 = 1/2÷ 1/3 = 2/7×3/9 ÷2/7 = 2 1/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7× 14= 2/3÷5/6= / kloc-0/.25×8= 3/5÷5/ 8= 6/7×3/2= 6×8.8= 4/ 1 1÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 4 1/ 12×4= 4÷3/ 16= / kloc-0/2÷9/4 = 75/ 8 ÷5= 12× 16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/ 7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 8 1.2- 1 1÷7-×3= 6696÷62-6.5× 10.6 =
1.89÷ 100= 0.82+0.08= 73× 1= 0.63× 10= 4÷ 10= 17÷ 1000=
0.56+0.4= 1.25× 100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794- 198= 68×25= 6756- 193-207=
72× 125= 97×360+3×360=
4/9×3= 5÷ 1/3 = 1/2÷ 1/3 = 2/7×3/9 ÷2/7 = 2 1/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7× 14= 2/3÷5/6= / kloc-0/.25×8= 3/5÷5/ 8= 6/7×3/2= 6×8.8= 4/ 1 1÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 4 1/ 12×4= 4÷3/ 16= / kloc-0/2÷9/4 = 75/ 8 ÷5= 12× 16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/ 7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 8 1.2- 1 1÷7-×3= 6696÷62-6.5× 10.6 =
1\2×8=
1\3×9=
4\9×7=
9\ 1 1×8=
3\6×2\9=
5\9×7\2=
1\ 10×9\4=
23\4×2\6=
76\5× 1\38=
87\9×3\ 19=
15\4× 1\3=
56\2× 1\8=
2\9×3\ 18=
1\4×3=
12\ 13×26=
19\6×3\2=
2\3×7\2=
6\7× 14\2=
16\7×2 1\4=
29\3×6=
1\2×6=
1\6×9=
4\3×7=
9\4×8=
3\ 12×2\9=
5\9×7\5=
1\ 10×9\2=
24\4×2\6=
76\7× 1\38=
87\6×3\ 19=
12\4× 1\3=
56\2× 1\7=
2\9×6\ 18=
1\4×7=
3\ 13×26=
17\6×3\2=
2\3×9\2=
6\5× 14\2=
16\7×28\4=
29\2×6=
1\2×7=
1\4×9=
4\3×9=
9\4× 1 1=
3\ 15×2\9=
5\7×7\5=
1\23×9\2=
24\4× 1\6=
76\ 13× 1\38=
87\9×3\ 19=
12\5× 1\3=
56\ 12× 1\7=
2\9× 15\ 18=
1\ 1 1×7=
3\ 19×26=
17\8×3\2=
2\6×9\2=
6\ 15× 14\2=
16\ 14×28\4= 29\2×4=
25 - 15 -80 = 10 -80 = -70
26 -6 -64 = 20 -64 = -44
27 + 3 -48 = 30 -48 = - 18
28 + 12 -32 = 40 -32 = 8
29 + 2 1 - 16 = 50 - 16 = 34
30 + 30 + 0 = 60 + 0 = 60
3 1 + 39 + 16 = 70 + 16 = 86
32 + 48 + 32 = 80 + 32 = 1 12
33 + 57 + 48 = 90 + 48 = 138
34 + 66 + 64 = 100 + 64 = 164
35 + 75 + 80 = 1 10 + 80 = 190
36 + 84 + 96 = 120 + 96 = 2 16
37 + 93 + 1 12 = 130 + 1 12 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 1 1 1 + 144 = 150 + 144 = 294
40 -30 - 140 = 10 - 140 = - 130
4 1 -2 1 - 124 = 20 - 124 = - 104
42 - 12 - 108 = 30 - 108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = -26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 - 12 = 90 - 12 = 78
49 + 5 1 + 4 = 100 + 4 = 104
50 + 60 + 20 = 1 10 + 20 = 130
5 1 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 234
55 -45 -200 = 10 -200 = - 190
56 -36 - 184 = 20 - 184 = - 164
57 -27 - 168 = 30 - 168 = - 138
58 - 18 - 152 = 40 - 152 = - 1 12
59 -9 - 136 = 50 - 136 = -86
60 + 0 - 120 = 60 - 120 = -60
6 1 + 9 - 104 = 70 - 104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 -72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 -40 = 1 10 -40 = 70
66 + 54 -24 = 120 -24 = 96
67 + 63 -8 = 130 -8 = 122
68 + 72 + 8 = 140 + 8 = 148
69 + 8 1 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
7 1 -5 1 -244 = 20 -244 = -224
72 -42 -228 = 30 -228 = - 198
73 -33 -2 12 = 40 -2 12 = - 172
74 -24 - 196 = 50 - 196 = - 146
1 1 3^3-5
12 4^2-34%
13 3.25-3 15%
14 7^3+445%
15 12+5268.32-2569
16 123+456-52*8
17 45%+6325
18 1/2+ 1/3+ 1/4
19 789+456-78
20 45%+54%-36%
32×30= 22×30= 6×20 1=
17×5= 4×60= 4500÷900=
170+90= 4800÷40= 14×20 1=
80÷ 16= 4200÷20= 2500÷50=
16×5= 32×20= 67×4=
2400÷40= 3600÷60= 87÷3=
25× 16= 48×9= 696÷3=
125×6= 48×25= 780÷20=
72-45= 360-85= 720÷45÷2=
3000+200= 48× 125= 35×8=
80-4= 420÷35÷2= 25×32=
45÷ 15= 78÷2= 45× 12=
6×85= 69÷23= 67+25=
7 10-420= 50×90= 22×8×5=
12×5= 6300÷30= 690-420=
102+284= 480+290= 930÷30=
23×3= 800×30= 2 100÷70=
6 12÷ 12= 360+ 140= 1800÷30=
880÷20= 45× 14= 3×90=
32+ 15= 28×7= 40×60=
32×20= 468+ 197= 6×80=
4700÷ 10= 729+302= 45- 18=
2400÷20= 25×6×4= 25×28=
15×6= 125×48= 125× 16=
15+22= 102×34= 4500÷45=
25×40= 490÷35÷2= 360÷45÷2=
35× 18= 264- 198= 2800÷25÷4=
45×22= 52 1-305= 3500÷25÷2=
25+40= 5600÷ 16= 67+28=
35× 18= 75× 19+75= 4 1-23=
45×22= 45×6= 375+99=
7000÷70= 45+45= 624- 198=
9600÷30= 630÷90= 720÷9÷4=
320×2= 50×50= 33×6×5=
12×40= 26×20= 62+ 18=
560÷35÷2= 25×4= 254+99=
45× 12= 750-570= 50÷7=
57+ 19= 60÷60= 70×60=
9 1-28= 58+79+42= 80×5×6=
90-25= 35×35+65×35= 125×80=
44- 15= 1800÷90= 125× 16=
97+ 18= 10×24= 45× 14=
26+ 14= 8 1÷27= 69÷23=
25 - 15 -80 =
26 -6 -64 =
27 + 3 -48 =
28 + 12 -32
29 + 2 1 - 16 =
30 + 30 + 0 =
3 1 + 39 + 16 =
32 + 48 + 32 =
33 + 57 + 48 =
34 + 66 + 64 =
35 + 75 + 80 =
36 + 84 + 96 =
37 + 93 + 1 12 =
38 + 102 + 128 =
39 + 1 1 1 + 144 =
40 -30 - 140 =
4 1 -2 1 - 124 =
42 - 12 - 108 =
43 -3 -92 =
44 + 6 -76 =
45 + 15 -60 =
46 + 24 -44 =
47 + 33 -28 =
48 + 42 - 12 =
49 + 5 1 + 4 =
50 + 60 + 20 =
5 1 + 69 + 36 =
52 + 78 + 52 =
53 + 87 + 68 =
54 + 96 + 84 =
55 -45 -200
56 -36 - 184 =
57 -27 - 168 =
58 - 18 - 152 =
59 -9 - 136
60 + 0 - 120
6 1 + 9 - 104
62 + 18 -88
63 + 27 -72 =
64 + 36 -56
65 + 45 -40 =
66 + 54 -24 =
67 + 63 -8 =
68 + 72 + 8 =
69 + 8 1 + 24
70 -60 -260
7 1 -5 1 -244 =
72 -42 -228 =
73 -33 -2 12 =
74 -24 - 196 =
840÷20=
14×70=
960÷80=
36×200=
65- 18=
45- 17=
26+57=
19+8 1=
25×30=
32+8=
270×30=
76×3=
58+34=
540-80=
420-370=
24×30=
820÷20=
830+ 120=
200÷40=
75×4=
0÷38=
27×200=
720÷6=
18+82=
35-7=
680+ 180=
86-6=
75×0=
99+3 1=
600×70=
5 10+90=
34- 16=
5 10÷30=
7.2 billion-1800 million =
87-59=
560÷40=
960÷30=
400÷50=
960÷4=
500,000 to 360,000 =
240×30=
24+75=
600-350=
15×80=
18+47=
90-24=
47-28=
86-20=
58+29=
47+38=
760-90=
17×30=
12×60=
9 10÷70=
16×60=
150÷ 10=
620÷20=
950÷50=
300÷4=
5+36=
28+57=
840+ 160=
280÷40=
65+30=
42×9=
32×50= 630÷90= 24×7= 16×60= 62×7= 49+38=
720÷40= 750÷50= 50×8= 52×3= 400÷50= 70+250=
840×40= 180÷60= 9 1×7 12×60= 17×30= 635- 199=
44+48= 770÷7= 14×70= 125×8= 90-28= 35×5=
860÷20= 720+2 10= 9 1-32= 820÷20= 47-27= 53-25=
870×30= 53×6= 540-80= 40×25=
720÷60-8= 20+80÷2= (62+28)×6= 25×4-23= 150×(5+2)=
9×40÷9= 900÷50- 10= 720÷20÷2= 63+48+52= 304- 167-33=
194+84+ 106= 786+ 125+75= 60×8-40= 3000+98÷2= 640÷(4×2)=
90×(560÷70)= 300÷6+2500= 28×(2 10÷7)= 420÷6÷70= 600-25×5=
640÷80= 15×5= 23×3= 12×2×5=
480÷80= 16×5= 27×3= 90÷ 15=
48÷4= 640÷ 16= 39÷3= 24×20=
32×3= 48÷ 16= 12×8= 27×3=
56÷ 14= 24÷8= 14×2= 83-45=
560÷80= 96÷24= 40÷20= 40×30=
37+26= 76-39= 605+59= 30×23=
12×8= 27+32= 48+27= 4500×20=
73+ 15 = 120×600 = 200×360= 6800×400=
280+270= 4×2500= 6000÷40= 5× 1280=
3 10-70= 400× 14= 470+ 180= 1000÷25=
160×600= 20×420= 290×300= 8 100÷300=
7600÷200= 7600÷400= 680+270= 980÷ 14=
4200÷30= 6× 1300= 1300×50= 200×48=
930-660= 530+280= 9200÷400= 840÷2 1=
180×500= 8000÷500 = 1900÷20= 200× 160=
8700÷300= 300×330= 3× 1400= 7000÷ 14=
600÷ 12= 9600÷80= 140×300= 8800÷40=
9600÷800= 750-290= 5×490= 760×20=
7500÷500= 370×200= 650÷ 13= 8600-4200=
4/9×3= 5÷ 1/3 = 1/2÷ 1/3 = 2/7×3/9 ÷2/7 = 2 1/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7× 14= 2/3÷5/6= / kloc-0/.25×8= 3/5÷5/ 8= 6/7×3/2= 6×8.8= 4/ 1 1÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 4 1/ 12×4= 4÷3/ 16= / kloc-0/2÷9/4 = 75/ 8 ÷5= 12× 16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/ 7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 8 1.2- 1 1÷7-×3= 6696÷62-6.5× 10.6 =
1.89÷ 100= 0.82+0.08= 73× 1= 0.63× 10= 4÷ 10= 17÷ 1000=
0.56+0.4= 1.25× 100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794- 198= 68×25= 6756- 193-207=
72× 125= 97×360+3×360=
2/ 1*2= 1 3/ 1*3= 1 3/2*3=2 3/ 1*6=2
4/3*8=6 5/3*20= 12 7/3* 14=6 8/7*40=35
4/3* 16= 12 9/5*27= 15 2/ 1*30= 15 12/7*24= 14
30/ 1*30= 1 5 1/9* 102= 18 19/9*76=36 4/9*8= 18
5/8*90= 144 99/98*99=98 3/ 14*6=28 7/ 1*28=4
10/ 1*90=9 5/3* 105=63 19/7*38= 14 5/ 1*25=5
8/ 19* 16=38 6 1/60* 122= 120 7/2*28=8 6/ 1*48=8
9/7* 18= 14 25/7* 100=28 9/5*8 1=45 8/9* 16= 18
2.8×0.4= 1. 12
14-7.4=6.6,
1.92÷0.04=48,
0.32×500= 160,
0.65+4.35= 5
10-5.4=4.6,
4÷20=0.2,
3.5×200=700,
1.5-0.06= 1.44
0.75÷ 15=0.05,
0.4×0.8=0.32,
4×0.25= 1,
0.36+ 1.54=2
1.0 1×99=99.99,
420÷35= 12,
25× 12=300,
135÷0.5=270
3/4 + 1/4 = 1,
2 + 4/9 =22/9,
3 - 2/3 =7/3,
3/4 - 1/2= 1/4
1/6 + 1/2 - 1/6 = 1/2,
7.5-(2.5+3.8)= 1.2,
7/8 + 3/8 =5/4
3/ 10 + 1/5 = 1/2,
4/5 - 7/ 10 = 1/ 10,
2 - 1/6 - 1/3 = 1.5
0.5 1÷ 17=0.03,
32.8+ 19=5 1.8,
5.2÷ 1.3=4,
1.6×0.4= 0.64
4.9×0.7=3.43,
1÷5=0.2,
6÷ 12=0.5,
0.87-0.49=0.38
1.( 1+ 1/2)( 1+ 1/3)( 1+ 1/4)......( 1+ 1/ 100)
2.( 1- 1/2)( 1- 1/3)( 1- 1/4)......( 1- 1/ 100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26- 1.5)
6.286+ 198
7.3 14-202
8.526+30 1
9.223-99
10.6.25+3.85-2. 125+3.875
1 1.9-2456*2 1
12.0.5/ 1 1.5-4*2.75
13. 1/2×3/5
14.3.375+5.75+2.25+6.625
15. 100 1-9036÷ 18
16.3.8×5.25+ 14.5
17.2. 1*4.3+5.7*2. 1
18.30× 1/3
19. 102*45-328
20.2/3× 12
2 1.2.8*3. 1+ 17.6/8
22.3/5×5/6
23.(50- 12.5)/2.5
24.2/5× 1/3
25.6 1 10*47+639
26. 1/2- 1/6
27.3.5*2.7-52.2/ 18
28. 1/7× 1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
3 1.6.54+2.4+3.46+0.6
32.5/6- 1/2
33.95.6* 1.8+95.6*8.2
34. 1/2× 1/5
35.600-420/ 12
36.344/3.6-5.4*0.25
37. 16/2+30/2+90/6
38.300 1- 1998.
39.5000- 105*34
40.0. 15/0.25+0.75* 1.2
4 1.( 1/2+ 1/3+ 1/4)*0.24
42.(25+4)*4
43.300-4263/2 1
44.0.8 1/0.25+5.96
45.403÷ 13×27
46. 1.5×4.2-0.75÷0.25
47.3.27×4 +3.27×5.7
48.( 1.2+ 1.8)×4.5 1025-768÷32
49.0.25×80-0.45÷0.9
50. 1025-768÷32
5 1.0.25*2.69*4
52.2348+275* 16
53.2/9* 15/8- 1/ 12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45* 12
56.0. 15+ 1.2/0.24-0.45
57.3.75-(2.35+0.25/ 1.25)
58.76* 1/4+23*25/ 100+0.25
59. 10-2.87-7. 13
60.0.96+9.6*9.9
6 1.7.5-5.7* 1/3
62. 12.37-3.25-6.75
63. 16*6.8+2.2* 16+ 16
64.40 1* 19+284
65.58.7- 16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.3 1- 1. 125-7.875
68.640+ 128*45
69.8.2* 1.6-0.336/4.2
70.400*(0.62+0.08)
Give some points! !