Question

5.3×17.3+0.53×27简便运算

Answer 1

5.3×17.3+0.53×27简便运算

5.3×17.3+0.53×27
=5.3×17.3+5.3×2.7
=5.3×(17.3+2.7)
=5.3×20
=106

5.3×17.3+0.53×27= 简便演算法

=0.53×（173+27）
=0.53×200
=106
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5.3×2.7+0.53×73的简便运算

原式
=5.3x2.7+5.3x7.3
=5.3x(2.7+7.3)
=5.3x10
=53
供参考。

5.3x11-0.53的简便运算方法

5.3×11-0.53
=5.3×11-5,3×0.1
=5.3×(11-0.1)
=5.3×10.9
=57.77

5.5*17.3+2.7*5.5简便运算？

5.5*17.3+2.7*5.5
=5.5*（17.3+2.7）
=5.5*20
=110

简便运算3.6÷[0.25×(17.3+30.7)

3.6÷[0.25×(17.3+30.7)]
=3.6÷[(1/4)X48]
=3.6÷12
=0.3

3.6÷[12×(0.53-0.45)]简便运算

3.6÷[12×(0.53-0.45)]
=（12x0.3）÷[12×(0.53-0.45)]
=0.3÷(0.53-0.45)
=0.3÷0.08
=30/8

5.5×17.3-5.5+7.7×5.5简便运算

5.5×17.3-5.5+7.7×5.5
=5.5x(17.3-1+7.7)
=5.5x24
=5.5x2x12
=11x12
=132

9.89减1.36减0.53的简便运算

9.89减1.36减0.53
=9.89减（1.36加0.53）
=9.89减1.89
=8

0.53乘以1.02的简便运算

解：采用分配律，
原式=0.53x1.02
=0.53x（1+0.02）
=0.53x1+0.53x0.02
=0.53+0.0106
=0.5406