
展开全部
(1)
+
x=36,
+
x-
=36-
,
x=35
,
x÷
=35
÷
,
x=71
;
(2)5:x=3.25:4,
3.25x=5×4,
3.25x÷3.25=5×4÷3.25,
x=6
;
1 |
4 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
2 |
3 |
4 |
1 |
2 |
1 |
2 |
3 |
4 |
1 |
2 |
x=71
1 |
2 |
(2)5:x=3.25:4,
3.25x=5×4,
3.25x÷3.25=5×4÷3.25,
x=6
2 |
13 |
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