
7.6×0.28+8.2×0.76-7.6简便算式?
1个回答
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解,原式=7.6x0.28+0.82x10x0.76-7.6x1
=7.6x0.28+0.82x(10x0.76)-7.6x1
=7.6x(0.28+0.82-1)
=7.6x0.1
=0.76
=7.6x0.28+0.82x(10x0.76)-7.6x1
=7.6x(0.28+0.82-1)
=7.6x0.1
=0.76
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