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5.372×(-3)+5.372×(-7)+5.375×4简便算法计算,

题目详情
_5.372×(-3)+5.372×(-7)+5.375×4简便算法计算,
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答案和解析
你确定你没写错题目哈.
-5.372×(-3)+5.372×(-7)+5.375×4
=-5.372×(-3)+5.372×(-7)+(5.372+0.003)×4
=5.372x(3-7+4)+0.003x4
=5.372x0+0.012
=0.012