题文
简便计算,写出简便过程
(1)54×303
(2)7.7×0.73
(3)26.39×36+2.639×830﹣263.9×1.9
(4)272.4×6.2+2724×0.38
(5)2.04×0.25×7.2×12.5.
简便计算,写出简便过程
(1)54×303
(2)7.7×0.73
(3)26.39×36+2.639×830﹣263.9×1.9
(4)272.4×6.2+2724×0.38
(5)2.04×0.25×7.2×12.5.
试题篮
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