5.3×17.3+0.53×27简便运算
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