题目内容
脱式计算.
| 62×15-314 | 298+14×50 | (768-563)×11. |
(1)62×15-314,
=930-314,
=616;
(2)298+14×50,
=298+700,
=998;
(3)(768-563)×11,
=205×11,
=2255.
=930-314,
=616;
(2)298+14×50,
=298+700,
=998;
(3)(768-563)×11,
=205×11,
=2255.
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