用简便方法计算下面各题
9÷0.12525.25×0.65×4÷0.650.93×1.016.24-3.34-2.660.485×102-48.54.4+4.4×12+13×5.6...
9÷0.125 25.25×0.65×4÷0.65
0.93×1.01 6.24-3.34-2.66
0.485×102-48.5 4.4+4.4×12+13×5.6 展开
0.93×1.01 6.24-3.34-2.66
0.485×102-48.5 4.4+4.4×12+13×5.6 展开
2008-02-14 · 知道合伙人教育行家
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9÷0.125
=(9×8)÷(0.125×8)
=72÷1
=72
25.25×0.65×4÷0.65
=(25.25×4)×(0.65÷0.65)
=101×1
=101
0.93×1.01
=0.93×(1+0.01)
=0.93×1+0.93×0.01
=0.93+0.0093
=0.9393
6.24-3.34-2.66
=6.24-(3.34+2.66)
=6.24-6
=0.24
0.485×102-48.5
=0.485×(100+2)-48.5
=0.485×100+0.485×2-48.5
=48.5-48.5+0.97
=0.97
4.4+4.4×12+13×5.6
=4.4×(1+12)+13×5.6
=4.4×13+13×5.6
=13×(4.4+5.6)
=13×10
=130
=(9×8)÷(0.125×8)
=72÷1
=72
25.25×0.65×4÷0.65
=(25.25×4)×(0.65÷0.65)
=101×1
=101
0.93×1.01
=0.93×(1+0.01)
=0.93×1+0.93×0.01
=0.93+0.0093
=0.9393
6.24-3.34-2.66
=6.24-(3.34+2.66)
=6.24-6
=0.24
0.485×102-48.5
=0.485×(100+2)-48.5
=0.485×100+0.485×2-48.5
=48.5-48.5+0.97
=0.97
4.4+4.4×12+13×5.6
=4.4×(1+12)+13×5.6
=4.4×13+13×5.6
=13×(4.4+5.6)
=13×10
=130
展开全部
9÷0.125 =(9×8)÷(0.125×8) =72÷1 =72 25.25×0.65×4÷0.65 =(25.25×4)×(0.65÷0.65) =101×1 =101 0.93×1.01 =0.93×(1+0.01) =0.93×1+0.93×0.01 =0.93+0.0093 =0.9393 6.24-3.34-2.66 =6.24-(3.34+2.66) =6.24-6 =0.24 0.485×102-48.5 =0.485×(100+2)-48.5 =0.485×100+0.485×2-48.5 =48.5-48.5+0.97 =0.97 4.4+4.4×12+13×5.6 =4.4×(1+12)+13×5.6 =4.4×13+13×5.6 =13×(4.4+5.6) =13×10 =130
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