题目内容
计算下列各题(能简算的写出简算过程)
4.6×
+4.4÷1
+(1-0.1)
1110÷[56×(
-
)].
4.6×
| 9 |
| 10 |
| 1 |
| 9 |
1110÷[56×(
| 3 |
| 7 |
| 3 |
| 8 |
(1)4.6×
+4.4÷1
+(1-0.1),
=
×
+
×
+0.9,
=(
+
+1)×
,
=10×
,
=9;
(2)1110÷[56×(
-
)],
=1110÷[56×
-56×
],
=1110÷[24-21],
=1110÷3,
=370.
| 9 |
| 10 |
| 1 |
| 9 |
=
| 23 |
| 5 |
| 9 |
| 10 |
| 22 |
| 5 |
| 9 |
| 10 |
=(
| 23 |
| 5 |
| 22 |
| 5 |
| 9 |
| 10 |
=10×
| 9 |
| 10 |
=9;
(2)1110÷[56×(
| 3 |
| 7 |
| 3 |
| 8 |
=1110÷[56×
| 3 |
| 7 |
| 3 |
| 8 |
=1110÷[24-21],
=1110÷3,
=370.
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