有答案的计算题150道

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有答案的计算题150道
有答案的计算题
150道

有答案的计算题150道
2.82 × 5 = 14.1
2.89 × 5.5 = 15.895
2.96 × 6 = 17.76
3.03 × 6.5 = 19.695
3.1 × 7 = 21.7
3.17 × 7.5 = 23.775
3.24 × 8 = 25.92
3.31 × 8.5 = 28.135
3.38 × 9 = 30.42
3.45 × 9.5 = 32.775
3.52 × 10 = 35.2
3.59 × 10.5 = 37.695
3.66 × 11 = 40.26
3.73 × 11.5 = 42.895
3.8 × 12 = 45.6
3.87 × 12.5 = 48.375
3.94 × 13 = 51.22
3.25 - 2.15 = 1.1
4.02 - 2.75 = 1.27
4.79 - 3.35 = 1.44
5.56 - 3.95 = 1.61
6.33 - 4.55 = 1.78
7.1 - 5.15 = 1.95
7.87 - 5.75 = 2.12
8.64 - 6.35 = 2.29
9.41 - 6.95 = 2.46
10.18 - 7.55 = 2.63
10.95 - 8.15 = 2.8
11.72 - 8.75 = 2.97
12.49 - 9.35 = 3.14
13.26 - 9.95 = 3.31
14.03 - 10.55 = 3.48
14.8 - 11.15 = 3.65
15.57 - 11.75 = 3.82
16.34 - 12.35 = 3.99
17.11 - 12.95 = 4.16
17.88 - 13.55 = 4.33
18.65 - 14.15 = 4.5
19.42 - 14.75 = 4.67
20.19 - 15.35 = 4.84
20.96 - 15.95 = 5.01
21.73 - 16.55 = 5.18
22.5 - 17.15 = 5.35
2.5 ÷ 0.5 = 5.00
3 ÷ 1 = 3.00
3.5 ÷ 1.5 = 2.33
4 ÷ 2 = 2.00
4.5 ÷ 2.5 = 1.80
5 ÷ 3 = 1.67
5.5 ÷ 3.5 = 1.57
6 ÷ 4 = 1.50
6.5 ÷ 4.5 = 1.44
7 ÷ 5 = 1.40
7.5 ÷ 5.5 = 1.36
8 ÷ 6 = 1.33
8.5 ÷ 6.5 = 1.31
9 ÷ 7 = 1.29
9.5 ÷ 7.5 = 1.27
10 ÷ 8 = 1.25
10.5 ÷ 8.5 = 1.24
11 ÷ 9 = 1.22
11.5 ÷ 9.5 = 1.21
12 ÷ 10 = 1.20
12.5 ÷ 10.5 = 1.19
13 ÷ 11 = 1.18
13.5 ÷ 11.5 = 1.17
14 ÷ 12 = 1.17

0.4×125×25×0.8
=(0.4×25)×(125×0.8)
=10×100=1000
1.25×(8+10)
=1.25×8+1.25×10
=10+12.5=22.5
9123-(123+8.8)
=9123-123-8.8
=9000-8.8
=8991.2
1.24×8.3+8.3×1.76...

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0.4×125×25×0.8
=(0.4×25)×(125×0.8)
=10×100=1000
1.25×(8+10)
=1.25×8+1.25×10
=10+12.5=22.5
9123-(123+8.8)
=9123-123-8.8
=9000-8.8
=8991.2
1.24×8.3+8.3×1.76
=8.3×(1.24+1.76)
=8.3×3=24.9
9999×1001
=9999×(1000+1)
=9999×1000+9999×1
=10008999
14.8×6.3-6.3×6.5+8.3×3.7
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7
8.3×(6.3+3.7)
=8.3×10
=83
1.24+0.78+8.76
=(1.24+8.76)+0.78
=10+0.78
=10.78
933-157-43
=933-(157+43)
=933-200
=733
4821-998
=4821-1000+2
=3823
I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000
9048÷268
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269
=100+100+100+48
=348
2881÷ 43
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37
3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=4237
1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5×8+3.5×8-47
=52+28-47
=80-47
(80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7
2700×(506-499)÷900
=2700×7÷900
=18900÷900
=21
33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5
=33.02-23.02
=10
(1÷1-1)÷5.1
=(1-1)÷5.1
=0÷5.1
=0
18.1+(3-0.299÷0.23)×1
=18.1+1.7×1
=18.1+1.7
=19.8
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