问题
解答题
|
答案
(1)
x+3 5
x=361 5
x=364 5
x÷4 5
=36÷4 5 4 5
x=45;
(2)x÷
=3 8 1 12
x÷
×3 8
=3 8
×1 12 3 8
x=
;1 32
(3)
-x=5 8 5 16
-x+x=5 8
+x5 16
-5 8
=5 16
+x-5 16 5 16
x=
;5 16
(4)37.5%-
x=3 16 3 8
37.5%-
x+3 16
x=3 16
+3 8
x3 16
37.5%-
=3 8
+3 8
x-3 16 3 8
0÷
=3 16
x÷3 16 3 16
x=0;
(5)x×(
+5 6
)=5 8 5 8
x×
=35 24 5 8
x×
÷35 24
=35 24
÷5 8 35 24
x=
;3 7
(6)
x=3 9 5 6
x÷3 9
=3 9
÷5 6 3 9
x=2
.1 2