5/8X+3/4*(84-X)=58
人气:404 ℃ 时间:2020-03-28 17:51:01
解答
5/8X+3/4*(84-X)=58
5/8X+63-3/4X=58
-1/8X=-5
X=40不懂意思 要小学的啊,加减乘除不懂! 5/8X+3/4*(84-X)=585/8X+3/4*84-3/4X=585/8X+63-3/4X=585/8X-3/4X=58-63-1/8X=-5X=40怎么有负数 5/8X-3/4X=58-63-1/8X=-5 中间的详细过程哦,原来你不懂的是这个,小学也学负数的 5/8X+3/4*(84-X)=585/8X+3/4*84-3/4X=585/8X+63-3/4X=585/8X-3/4X=58-633/4X-5/8X=63-581/8X=5X=40
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