计算下面各题,怎样算简便就怎样算.
2.38×6.8+7.62×6.8
12.5×4﹣3.12÷1.2
26.8﹣(4.2+2.6)×1.5
15.84÷[0.8×(7.93﹣2.43)].
计算下面各题,怎样算简便就怎样算.
2.38×6.8+7.62×6.8
12.5×4﹣3.12÷1.2
26.8﹣(4.2+2.6)×1.5
15.84÷[0.8×(7.93﹣2.43)].
试题篮
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