计算下面各题,能用简便方法的要用简便方法计算.
(1)9.78×2.3+2.3×10.22 (2)1.5×11﹣7.83+3.5
(3)7.25÷(31﹣29.55)×1.3 (4)75.6÷[0.7×(8.5﹣7.6)].
计算下面各题,能用简便方法的要用简便方法计算.
(1)9.78×2.3+2.3×10.22 (2)1.5×11﹣7.83+3.5
(3)7.25÷(31﹣29.55)×1.3 (4)75.6÷[0.7×(8.5﹣7.6)].
试题篮
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