问题
解答题
解方程
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答案
(1)x-35%x=6.5,
65%x÷65%=6.5÷65%,
x=10;
(2)58%x+23%x=1.62,
81%x÷81%=1.62÷81%,
x=2;
(3)x+
x=8.4,2 5
x÷7 5
=8.4÷7 5
,7 5
x=6.
解方程
|
(1)x-35%x=6.5,
65%x÷65%=6.5÷65%,
x=10;
(2)58%x+23%x=1.62,
81%x÷81%=1.62÷81%,
x=2;
(3)x+
x=8.4,2 5
x÷7 5
=8.4÷7 5
,7 5
x=6.