题目内容
| 脱式计算 [1-(
|
| 408+540÷18×24 | 46×2.2÷(3.3+5.9) |
(1)[1-(
+
)]×
,
=[1-
]×
,
=
×
,
=
;
(2)
+7÷(
-
),
=
+7÷
,
=
+
,
=
;
(3)408+540÷18×24,
=408+30×24,
=408+720,
=1128;
(4)46×2.2÷(3.3+5.9),
=46×2.2÷9.2,
=101.2÷9.2,
=11.
| 1 |
| 3 |
| 1 |
| 5 |
| 5 |
| 26 |
=[1-
| 8 |
| 15 |
| 5 |
| 26 |
=
| 7 |
| 15 |
| 5 |
| 26 |
=
| 7 |
| 78 |
(2)
| 13 |
| 4 |
| 37 |
| 12 |
| 13 |
| 8 |
=
| 13 |
| 4 |
| 35 |
| 24 |
=
| 13 |
| 4 |
| 24 |
| 5 |
=
| 161 |
| 20 |
(3)408+540÷18×24,
=408+30×24,
=408+720,
=1128;
(4)46×2.2÷(3.3+5.9),
=46×2.2÷9.2,
=101.2÷9.2,
=11.
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