
简便计算:0.8x(3.2-3.2÷1.6)
2个回答
展开全部
0.8x(3.2-3.2÷1.6)
=0.8*3.2*(1-1/1.6)*3.2/1.6
=0.8*3.2/1.6*(1.6-1)
=0.8*3.2/1.6*0.6
=0.8*2*0.6
=1.6*0.6
=0.96
=0.8*3.2*(1-1/1.6)*3.2/1.6
=0.8*3.2/1.6*(1.6-1)
=0.8*3.2/1.6*0.6
=0.8*2*0.6
=1.6*0.6
=0.96
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