题目内容
计算下面各题,能简算的要简算:
1488+1068÷89
4.2÷1.5-0.36
250×
+250×
×
-
÷
.
1488+1068÷89
4.2÷1.5-0.36
250×
| 1 |
| 5 |
| 4 |
| 5 |
| 1 |
| 2 |
| 4 |
| 5 |
| 1 |
| 12 |
| 1 |
| 3 |
①1488+1068÷89
=1488+12
=1500;
②4.2÷1.5-0.36
=2.8-0.36
=2.44;
③250×
+250×
=250×(
+
)
=250×1
=250;
④
×
-
÷
=
-
=
.
=1488+12
=1500;
②4.2÷1.5-0.36
=2.8-0.36
=2.44;
③250×
| 1 |
| 5 |
| 4 |
| 5 |
=250×(
| 1 |
| 5 |
| 4 |
| 5 |
=250×1
=250;
④
| 1 |
| 2 |
| 4 |
| 5 |
| 1 |
| 12 |
| 1 |
| 3 |
=
| 2 |
| 5 |
| 1 |
| 4 |
=
| 3 |
| 20 |
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