题目内容
计算,能简算的要简算.
①23-
-
②(3618÷18-145)×20
③4.6×
+8.4÷
-
×5.
①23-
| 12 |
| 17 |
| 5 |
| 17 |
②(3618÷18-145)×20
③4.6×
| 11 |
| 8 |
| 8 |
| 11 |
| 11 |
| 8 |
①23-
-
,
=23-(
+
),
=23-1,
=22;
②(3618÷18-145)×20,
=(201-145)×20,
=56×20,
=1120;
③4.6×
+8.4÷
-
×5,
=4.6×
+8.4×
-
×5,
=(4.6+8.4-5)×
,
=8×
,
=11.
| 12 |
| 17 |
| 5 |
| 17 |
=23-(
| 12 |
| 17 |
| 5 |
| 17 |
=23-1,
=22;
②(3618÷18-145)×20,
=(201-145)×20,
=56×20,
=1120;
③4.6×
| 11 |
| 8 |
| 8 |
| 11 |
| 11 |
| 8 |
=4.6×
| 11 |
| 8 |
| 11 |
| 8 |
| 11 |
| 8 |
=(4.6+8.4-5)×
| 11 |
| 8 |
=8×
| 11 |
| 8 |
=11.
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