20X-50 = 50 28+6X = 88 32-22X = 10
24-3X = 3 10X *(5+ 1)= 60 99X = 100-X
X+3 = 18 X-6 = 12 56-2X = 20
4y+2=6 x+32=76 3x+6= 18
Equation:
16+8x=40 2x-8=8 4x-3*9=29
8x-3x= 105 x-6*5=42 x+5=7
2x+3 = 10 12x-9x = 9 6x+ 18 = 48
56x-50x=30 5x= 15 78-5x=28
32y-29=3 5x+5= 15 89x-9=80
100-20x = 20 55x-25x = 60 76y-75 = 1
23y-23 = 23 4x-20 = 0 80y+20 = 100
53x-90 = 16 2x+9x = 1 1 12y- 12 = 24
80+5x = 100 7x-8 = 6 65x+35 = 100
19y+y = 40 25-5x = 15 79y+y = 80
42x+28x = 140 3x- 1 = 8 90y-90 = 90
80y-90 = 70 78y+2y = 160 88-x = 80
9-4x = 1 20x = 40 65y-30 = 100
5 1y-y = 100 85y+ 1 =-86 45x-50 = 40
10*+6=26 *=2 24:8*= 1 *=3 %8*+23=39 *=200 4*+9=2 1 *=3
6:2*=3 *= 1 5%*-3=2 *= 100 6×+8=68 ×= 10 8:6×= 1/3 ×=4
. x-3/0.5-x+4/0.2 = 1.6 x =-9.2
2.2x/0.3+8/3-( 1.4-3x)/0.2 = 2(x = 1/5)
3.(4-6x)/0.0 1-6.5 =(0.02-2x)/0.02-7.5(x = 4/5)
4 . x/0.7-(0. 17-0.2x)/0.03 = 1(x = 14/ 17) 14.59+x-25.3 1 = 0
x= 10.72
②x-48.32+78.5 1=80
x=49.8 1
③820- 16x=45.5×8
x=28.5
④(x-6)×7=2x
x=8.4
⑤3x+x= 18
x=4.5
⑥0.8+3.2=7.2
x=5
⑦ 12.5-3x=6.5
x=2
⑧ 1.2(x-0.64)=0.54
x= 1.09
2x=3+5
x=2*3
3x=x+ 1
x=2x-2
x=32+3
2x= 1+4
2x=x+ 1
3x=3=x
4x=4
x=56+4
x=2* 1
x=3*4
2x=5*6
10x= 1
5x= 10
6x=7
10x= 10
10=x+ 1
10=2x+ 1
10=3x+ 1
1 1=4x+ 1
1 1=2x+ 1
1 1=3x+ 1
1 1=5x+23
1 1=6x+ 123
1 1=7x+2
1 1= 12x+34
1 1=9x+ 1
1 1=9x+2
2 1=4x+ 1
2 1=2x+ 1
2 1=3x+ 1
2 1=5x+23
2 1=6x+ 123
2 1=7x+2
2 1= 12x+34
2 1=9x+ 1
2 1=9x+2
3 1=4x+ 1
3 1=2x+ 1
3 1=3x+ 1
3 1=5x+23
3 1=6x+ 123
3 1=7x+2
3 1= 12x+34
3 1=9x+ 1
3 1=9x+2
12=4x+ 1
12=2x+ 1
12=3x+ 1
12=5x+23
1=6x+ 123
12=7x+2
12= 12x+34
12=9x+ 1
12=9x+2
3X+5X = 48 14X-8X = 12 6 * 5+2X = 44
20X-50 = 50 28+6X = 88 32-22X = 10
24-3X = 3 10X *(5+ 1)= 60 99X = 100-X
X+3 = 18 X-6 = 12 56-2X = 20
4y+2=6 x+32=76 3x+6= 18
16+8x=40 2x-8=8 4x-3*9=29
8x-3x= 105 x-6*5=42 x+5=7
2x+3 = 10 12x-9x = 9 6x+ 18 = 48
56x-50x=30 5x= 15 78-5x=28
32y-29=3 5x+5= 15 89x-9=80
100-20x = 20 55x-25x = 60 76y-75 = 1
23y-23 = 23 4x-20 = 0 80y+20 = 100
53x-90 = 16 2x+9x = 1 1 12y- 12 = 24
80+5x = 100 7x-8 = 6 65x+35 = 100
19y+y = 40 25-5x = 15 79y+y = 80
42x+28x = 140 3x- 1 = 8 90y-90 = 90
80y-90 = 70 78y+2y = 160 88-x = 80
9-4x = 1 20x = 40 65y-30 = 100
5 1y-y = 100 85y+ 1 =-86 45x-50 = 40
(x-2) 12=8x
x=6
Calculation problem:
1/2×3/5
30× 1/3
2/3× 12
3/5×5/6
2/5× 1/3
1/2- 1/6
1/7× 1/5
25×4/5
5/6- 1/2
1/2× 1/5
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)
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/ 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
12÷3/5= 12×(5/3)
9÷6/7=9×( 7/6 )
30÷5/6=30×(6/5 )
4×(3/2 )=4÷2/3
4÷5/7=4×7/5
3÷4/5=3×5/4
24÷7/ 16=24×( 16/7 )
A÷C/B=A×B/C
4÷4/5=5
6÷3/4=8
10÷2/5=25
18÷4/9=8 1/2
4×4/5= 16/5
6×3/4= 18/4
10×2/5=4
18×4/9=8
3÷3/4=4
2÷ 1/3=6
6÷4/5= 15/2
1÷5/7=7/5
3/4÷3= 1/4
1/3÷2= 1/6
4/5÷6=2/ 15
5/7÷ 1=5/7
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