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-3.2×35.5+6.4×(-23.1)一0.32×183. 原式=? 注:请巧算!
-3.2×35.5+6.4×(-23.1)一0.32×183.
原式=?
注:请巧算!用简便方法!
人气:149 ℃ 时间:2020-06-14 13:13:16
解答
-3.2×35.5+6.4×(-23.1)一0.32×183.
=-3.2X35.5+3.2X(-46.2)-3.2X18.3
=-3.2X(35.5+46.2+18.3)
=-3.2X100
=-320Thanks8K7
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-3.2×35.5+6.4×(-23.1)-0.32×183(简便)
-3.2×35.5+6.4×(-23.1)-0.32×183 简便运算
简便运算:-3.2x35.5+6.4*(-23.1)-0.32*183
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