问题
解答题
解方程.
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答案
(1)X-10%=18,
X-10%-10%=18-10%,
X=17.9;
(2)60%X+25=40,
60%X+25-25=40-25,
60%X=15,
60%X÷60%=15÷60%,
X=25.
解方程.
|
(1)X-10%=18,
X-10%-10%=18-10%,
X=17.9;
(2)60%X+25=40,
60%X+25-25=40-25,
60%X=15,
60%X÷60%=15÷60%,
X=25.