题目内容
| 算一算. 456×3-176 | 815-247+85 | 960×2+163 |
| 249+325-408 | 306×5+166 | 534×8-999. |
(1)456×3-176
=1368-176
=1192;
(2)815-247+85
=568+85
=653;
(3)960×2+163
=1920+163
=2083;
(4)249+325-408
=574-408
=166;
(5)306×5+166
=1530+166
=1696;
(6)534×8-999
=4272-999
=3273.
=1368-176
=1192;
(2)815-247+85
=568+85
=653;
(3)960×2+163
=1920+163
=2083;
(4)249+325-408
=574-408
=166;
(5)306×5+166
=1530+166
=1696;
(6)534×8-999
=4272-999
=3273.
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