问题
解答题
解方程. 75%X+24=57
|
答案
(1)75%X+24=57,
0.75X+24-24=57-24,
0.75X÷0.75=33÷0.75,
X=44;
(2)
X-4 5
=2 3
,1 6
X-4 5
+2 3
=2 3
+1 6
,2 3
X×4 5
=5 4
×5 6
,5 4
X=1
.1 24
解方程. 75%X+24=57
|
(1)75%X+24=57,
0.75X+24-24=57-24,
0.75X÷0.75=33÷0.75,
X=44;
(2)
X-4 5
=2 3
,1 6
X-4 5
+2 3
=2 3
+1 6
,2 3
X×4 5
=5 4
×5 6
,5 4
X=1
.1 24