问题
解答题
|
答案
(1)
X+2 3
X=22,1 4
(
+2 3
)X=22,1 4
X=22,11 12
X×11 12
=22×12 11
,12 11
X=24;
(2)X-80%=3.2,
X-0.8=3.2,
X-0.8+0.8=3.2+0.8,
X=4.
|
(1)
X+2 3
X=22,1 4
(
+2 3
)X=22,1 4
X=22,11 12
X×11 12
=22×12 11
,12 11
X=24;
(2)X-80%=3.2,
X-0.8=3.2,
X-0.8+0.8=3.2+0.8,
X=4.