根据运算定律填空.(1)12.5×3.4×0.8=(______×______)×______(2)4.36×2.5+______×2.5=(______+5.64)

发布时间:2020-08-05 10:09:45

根据运算定律填空.
(1)12.5×3.4×0.8=(______×______)×______
(2)4.36×2.5+______×2.5=(______+5.64)×______
(3)6.5×2.4+6.5×7.6=____________(__________________)
(4)(6+0.6)×0.25=__________________+__________________.

网友回答

解:(1)12.5×3.4×0.8=(12.5×8)×3.4;
(2)4.36×2.5+5.64×2.5=(4.36+5.64)×25;
(3)6.5×2.4+6.5×7.6=6.5×( 2.4+7.6);
(4)(6+0.6)×0.25=6×0.25+0.6×0.25.
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