题目内容
| 3手:37 | 7.m:7.1手. |
(1)
:
,
=(
×15):(
×15),
=31:38,
=3:q;
(3)33:52,
=(33÷3):(52÷3),
=16:35;
(3)2.6:2.13,
=(2.6×52):(2.13×52),
=32:6,
=5:1.
| 7 |
| 5 |
| 38 |
| 15 |
=(
| 7 |
| 5 |
| 38 |
| 15 |
=31:38,
=3:q;
(3)33:52,
=(33÷3):(52÷3),
=16:35;
(3)2.6:2.13,
=(2.6×52):(2.13×52),
=32:6,
=5:1.
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