问题
解答题
求未知数x(4%) (1)
(2)
|
答案
(1)
x+1 4
x=3 4
(2)1 3
:x=7 16
:7 8 32 9
(
+1 4
)x=3 4 1 3
x=7 8
×7 16 32 9
x=1 3
x=7 8 14 9
x=
÷14 9 7 8
x=16 9
故答案是x=
,x=1 3
.16 9
求未知数x(4%) (1)
(2)
|
(1)
x+1 4
x=3 4
(2)1 3
:x=7 16
:7 8 32 9
(
+1 4
)x=3 4 1 3
x=7 8
×7 16 32 9
x=1 3
x=7 8 14 9
x=
÷14 9 7 8
x=16 9
故答案是x=
,x=1 3
.16 9