如何用1.25×2.5简便算出25?
5.6÷7= 0.8
27÷0.01= 2700
1.25×4=5
0.54÷0.09=6
5.2×0= 0
1.12×100=112
8.7÷0.29= 30
0.04×25= 1
1.25×0.8= 2
8.5÷5=1.7
7÷0.5=14
1÷4=0.25
6.3×101= 636.3
1.8÷0.9=2
0.9×6= 5.4
0.1×0.01= 0.001
28.6÷1000=0.0286
1.4×0.2= 0.28
5÷2.5= 2
4.2÷0.3=14
2.4÷0.6= 4
0.36÷3= 0.12
60×0.05= 3
1.7×3=5.1
4.5×0.2=0.9
7×0.08= 0.56
2.8÷0.04= 70
1.6×5= 8
0.37×20= 7.4
2.3×0.6＝1.38
0.81÷0.9= 0.9
0.25×28=7
0.72÷0.12= 6
96÷2.4 =40
1.44÷12=0.12
0×3.56= 0
0.36×2=0.72
0.51÷17= 0.03
10÷0.4=25
0.25×8=2
0.14×6= 0.84
36×2.5=90
0.99÷9=0.11
8.8÷4= 2.2
7.6÷2=3.8
2.1×32= 67.2
1.25×0.8＝1
3.2÷8＝0.4
1.3×0.5＝ 0.65
8.1÷0.9＝9
3.6÷6＝0.6
1.8÷0.6＝3
0.3×101＝ 30.3
1.2÷4＝0.3
9÷2.5= 3.6
3.7×5=24.5
0.64×99= 63.36
8×0.5=4
45÷0.5=90
4×0.25=1
3.6×0.2×1=7.2
7.5×5.3÷5.3= 7.5
1.7×25×4=170
2.8×9= 25.2
0.32×0.2×5=0.32
9×1.25×8= 90
0.25×4÷0.25×4= 1
4.6÷4.6= 1
0.7×16=11.2
9.1÷4= 2.275
0.175÷0.25=0.7
12.5÷0.25=50
32×0.25=8
5.6×0.125=0.7
2.2×4=8.8
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