简算 94.7×0.28+6.3×0.28-0.28

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简算94.7×0.28+6.3×0.28-0.28简算94.7×0.28+6.3×0.28-0.28简算94.7×0.28+6.3×0.28-0.280.28(94.7+6.3-1)=28

简算 94.7×0.28+6.3×0.28-0.28
简算 94.7×0.28+6.3×0.28-0.28

简算 94.7×0.28+6.3×0.28-0.28
0.28(94.7+6.3-1)=28