2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6. 10+ 12÷3+20=34
7.(80÷20+80)÷4=2 1
8.70+( 100- 10×5)= 120
9.360÷40= 9
10.40×20= 800
1 1.80-25= 55
12.70+45= 1 15
13.90×2= 180
14. 16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20. 160+70=230
2 1. 18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3= 100
25.4 1+ 18÷2= 50
26.75- 1 1×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25× 16= 400
30. 120×25= 3000
3 1.36× 1 1= 396
32. 1025÷25=4 1
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 10 1
36.3020- 10 10=20 10
37. 12×50= 600
38.25×8= 200
39.23× 1 1= 253
40. 125÷25=5
4 1.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷ 14 = 7
50.96÷24 = 4
5 1.56÷ 14 =4
52.65÷ 13 = 5
53.75÷ 15 = 5
54. 120÷24 =5
55.200÷25 = 8
56.800÷ 16 = 50
57.840÷2 1 =40
58.560÷ 14 = 40
59.390÷ 13 = 30
60.600÷ 15 =40
6 1.72÷24 = 3
62.85÷ 17 = 5
63.90÷ 15 =6
64.96÷ 16 = 6
65.78÷26 = 4
66.5 1÷ 17 =3
67.80÷40 = 2
68. 100÷20 = 5
69. 100÷4 =25
70.240÷40 = 6
7 1.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 = 10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 = 15
79.400+80 = 480
80.400-80 = 320
8 1.40×80 =3200
82.400÷80 = 5
83.48÷ 16 = 3
84.96÷24 =4
85. 160×5= 800
86.4×250= 1000
87.0×5 18= 0
88. 10×76= 760
89.36× 10=360
90. 15×6= 90
9 1.24×3= 72
92.5× 18= 90
93.26×4= 74
94.7× 15= 105
95.32×30= 960
96.40× 15= 600
97.60× 12= 720
98.23×30= 690
99.30×50= 1500
100.5×700=3500
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
7+ 14=2 1 ... 18-9=9 ...
8+ 16=24 ...25-5=20 ...
9+ 18=27...56-45= 1 1 ...
10+20=30...45-23=22 ...
1 1+22=33...78-23=55 ...
12+24=36 ...
10-3=7
15-4= 1 1
20-5= 15
25-6= 19
30-7=23
35-8=27
40-9=3 1
45- 10=35
50- 1 1=39
55- 12=43
60- 13=47
65- 14=5 1
70- 15=55
75- 16=59
80- 17=63
85- 18=67
90- 19=7 1
95-20=75
100-2 1=79
105-22=83
1 10-23=87
1 15-24=9 1
120-25=95
125-26=99
130-27= 103
13+26=39 ...
14+28=42 ...
15+30=45 ...
16+32=48 ...
17+34=5 1 ...
18+36=54 ...
19+38=57 ...
20+40=60 ...
2 1+42=63 ...
22+44=66 ...
23+46=69 ...
24+48=72 ...
25+50=75 ...
26+52=78 ...
27+54=8 1 ...
28+56=84 ...
29+58=87 ...
30+60=90 ...
3 1+62=93 ...
32+64=96 ...
33+66=99 ...
5 ÷ 1 =5
10 ÷2 =5
15 ÷3 =5
20 ÷4 =5
25 ÷5 =5
30 ÷6 =5
35 ÷7 =5
40 ÷8 =5
45 ÷9 =5
50 ÷ 10 =5
55 ÷ 1 1 =5
60 ÷ 12 =5
65 ÷ 13 =5
70 ÷ 14 =5
75 ÷ 15 =5
80 ÷ 16= 5
85 ÷ 17= 5
90 ÷ 18= 5
95 ÷ 19= 5
100 ÷20 =5
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