题目内容
| 选择你喜欢方法计算. 24-24×
| 5÷
| ||||||||||
4×
| 70.8-1.25-1.75 | ||||||||||
| (
|
(1)24-24×
,
=24-20
=4,
(2)5÷
×
,
=5×
×
,
=
,
(3)4×
÷
,
=4×
×
,
=3,
(4)70.8-1.25-1.75,
=70.8-(1.25+1.75),
=70.8-3,
=77.8,
(5)
×3.8-3.8×
,
=3.8×(
-
),
=3.8×1,
=3.8.
(6)(
+
)÷
,
=(
+
)×24,
=
×24+
×24,
=9+16,
=25.
| 5 |
| 6 |
=24-20
=4,
(2)5÷
| 9 |
| 10 |
| 3 |
| 5 |
=5×
| 10 |
| 9 |
| 3 |
| 5 |
=
| 10 |
| 3 |
(3)4×
| 5 |
| 12 |
| 5 |
| 9 |
=4×
| 5 |
| 12 |
| 9 |
| 5 |
=3,
(4)70.8-1.25-1.75,
=70.8-(1.25+1.75),
=70.8-3,
=77.8,
(5)
| 11 |
| 9 |
| 2 |
| 9 |
=3.8×(
| 11 |
| 9 |
| 2 |
| 9 |
=3.8×1,
=3.8.
(6)(
| 3 |
| 8 |
| 2 |
| 3 |
| 1 |
| 24 |
=(
| 3 |
| 8 |
| 2 |
| 3 |
=
| 3 |
| 8 |
| 2 |
| 3 |
=9+16,
=25.
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