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计算:205×8=验算2409÷6=验算3210÷3×2(687+273)÷63248÷8-97×4.

题目详情
计算:
205×8=验算 2409÷6=验算 3210÷3×2 (687+273)÷6 3248÷8-97×4.
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答案和解析




(3)3210÷3×2,
=1070×2,
=2140;

(4)(687+273)÷6,
=960÷6,
=160;

(5)3248÷8-97×4,
=406-388,
=18.