Question

3.35-0.37+2.65的简便方法

Answer 1

3.35-0.37+2.65的简便方法

3.35-0.37+2.65
=3.35+2.65-0.37
=6-0.37
=5.63

2.65减2.65乘0.8的简便方法

2.65-2.65*0.8
=2.65*1-2.65*0.8
=2.65*（1-0.8）
=2.65*0.2
=0.53

2.65-2.65x0.8的简便方法

2.65-2.65x0.8
=2.65×（1-0.8）
=2.65x0.2
=0.53

22*0.37的简便方法

22*0.37
=11*0.74
=7.4+0.74
=8.14

2.65×101-2.65简便方法计算

2.65×101-2.65
=2.65x(101-1)
=2.65x100
=265

2.65*1.7 1.35*0.7的简便方法

2.65*1.7 1.35*0.7的简便方法
2.65*1.7 1.35*0.7
=2.65*1+2.65*0.7+1.35*0.7
=2.65+0.7*（2.65+1.35）
=2.65+2.8
=5.45

2.65×14-2.65÷0.25用简便方法计算

=2.65×14-2.65×4
=2.65×（14-4）
=2.65×10
=26.5
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0 .048×5×0.37的简便方法

解：0 .048×5×0.37
＝48x5x37x10^(-5)
=240x37x10^(-5)
=(20+4)x37x10^(-4)
=(740+148)x10^(-4)
=888x10^(-4)
=8.88x10^(-2)
=0.0888

1.48×3.7 0.37×25.2的简便方法

1.48×3.7 +0.37×25.2
=(14.8+25.2) ×0.37
=40×0.37
=14.8

3.7*10.1-0.37简便方法

3.7*10.1-0.37
=3.7*10.1-3.7*0.1
=3.7*(10.1-0.1)
=3.7*10
=37