脱式计算
①0.125×3.2×0.5
②8.25+56÷32﹣1.25
③5.42×7.6+3.4×5.42﹣5.42
④2.5×（6.2﹣2.6）×0.4
⑤15.6÷[（20.75﹣4.5）×0.4]．
脱式计算
①0.125×3.2×0.5
②8.25+56÷32﹣1.25
③5.42×7.6+3.4×5.42﹣5.42
④2.5×（6.2﹣2.6）×0.4
⑤15.6÷[（20.75﹣4.5）×0.4]．
试题篮
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