题目内容
脱式计算.
(7.6-3.6÷2)×1.5
43×99+43
÷[1÷(
-
)].
(7.6-3.6÷2)×1.5
43×99+43
| 5 |
| 7 |
| 2 |
| 3 |
| 1 |
| 5 |
(1)(7.6-3.6÷2)×1.5,
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;
(2)43×99+43,
=43×(99+1),
=43×100,
=4300;
(3)
÷[1÷(
-
)],
=
÷[1÷
],
=
×
,
=
.
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;
(2)43×99+43,
=43×(99+1),
=43×100,
=4300;
(3)
| 5 |
| 7 |
| 2 |
| 3 |
| 1 |
| 5 |
=
| 5 |
| 7 |
| 7 |
| 15 |
=
| 5 |
| 7 |
| 7 |
| 15 |
=
| 1 |
| 3 |
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