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数学
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9.8×65.2×1.25-12.5×0.652×18.
人气:389 ℃ 时间:2020-04-05 05:24:03
解答
9.8×65.2×1.25-12.5×0.652×18
=9.8×65.2×1.25-1.25×65.2×1.8,
=65.2×1.25×(9.8-1.8),
=65.2×1.25×8,
=65.2×(1.25×8)
=65.2×10,
=652.
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9.8×65.2×1.25-12.5×0.652×18.
9.8×65.2×1.25-12.5×0.652×18.
18÷7/9+0.65×8/13-2/7×18+5/13×0.65
六年级简便计算9.8*65.2*1.25-12.5*0.625*18
计算(1)9.8*65.2*1.25-12.5*0.625*18 (2)
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