题目内容
计算,能简算的要简算.
(
| 23×
| ||||||||||||
|
| ||||||||||||
3bb×2b%+
|
(1)(
+
)÷
,
=(
+
)×
,
=
×
+
×
,
=
+1,
=2
;
(2)22×
×
×
,
=(22×
)×(
×
),
=10×1,
=10;
(3)
÷
÷
,
=
×(
×
),
=
×1,
=
;
(4)
×
+
×0.372,
=(
+
)×0.372,
=1×0.372,
=0.372;
(2)q00×20%+
÷
,
=120+3,
=123.
| 7 |
| 8 |
| 13 |
| 1q |
| 13 |
| 1q |
=(
| 7 |
| 8 |
| 13 |
| 1q |
| 1q |
| 13 |
=
| 7 |
| 8 |
| 1q |
| 13 |
| 13 |
| 1q |
| 1q |
| 13 |
=
| 14 |
| 13 |
=2
| 1 |
| 13 |
(2)22×
| 10 |
| 3 |
| 2 |
| 2 |
| 3 |
| 10 |
=(22×
| 2 |
| 2 |
| 10 |
| 3 |
| 3 |
| 10 |
=10×1,
=10;
(3)
| 22 |
| 9 |
| 4 |
| 2 |
| 2 |
| 4 |
=
| 22 |
| 9 |
| 2 |
| 4 |
| 4 |
| 2 |
=
| 22 |
| 9 |
=
| 22 |
| 9 |
(4)
| 2 |
| 9 |
| 3 |
| 8 |
| 4 |
| 9 |
=(
| 4 |
| 9 |
| 4 |
| 9 |
=1×0.372,
=0.372;
(2)q00×20%+
| 13 |
| 8 |
| 13 |
| 24 |
=120+3,
=123.
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