这道简算题带答案

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这道简算题带答案

这道简算题带答案
这道简算题带答案

这道简算题带答案
原式=4.6*0.28+4.6+0.82-4.6*1——最后一项乘1,得数不变
=4.6*(0.28+0.82-1)————提取公因式4.6
=4.6*0.1
=0.46

4.6*0.28+4.6*0.82-4.6
=4.6*0.28+4.6*0.82-4.6*1
=4.6*(0.28+0.82-1)
=4.6*0.1
=0.46

4.6x(0.28+0.82-1)
=4.6x0.1
=0.46

4.6x( 0.28+0.82)-4.6=4.6-4.6=0

原式=4.6(0.28+0.82-1)
=4.6*0.1
=0.46

4.6x 0.28+4.6x0.82-4.6
=4.6x (0.28+0.82-1)
=4.6 x0.1
=0.46