
23.4+8×46.8×0.125×0.5306-46.8×0.5306×0.25-0.5306×
23.4+8×46.8×0.125×0.5306-46.8×0.5306×0.25-0.5306×46.8×0.75等于多少?求过程,结果...
23.4+8×46.8×0.125×0.5306-46.8×0.5306×0.25-0.5306×46.8×0.75等于多少?求过程,结果
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=23.4+8×0.125×46.8×0.5306-46.8×0.5306×(0.25+0.75)
=23.4+46.8×0.5306-46.8×0.5306
=23.4
=23.4+46.8×0.5306-46.8×0.5306
=23.4
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我觉得这个题目出错了,后面那个是46.8×0.5306×0.25-0.5306×46.8×0.75是减法,怎么能转换成46.8×0.5306×(0.25+0.75)呢?用乘法分配律,括号里也应该是减号啊?
追答
负负得正啊
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