题目内容
脱式计算.
| 16×7×9 | (24+56)×7 | 568+56÷7 | 143-8×8. |
(1)16×7×9,
=112×9,
=1008;
(2)(24+56)×7,
=80×7,
=560;
(3)568+56÷7,
=568+8,
=576;
(4)143-8×8,
=143-64,
=79.
=112×9,
=1008;
(2)(24+56)×7,
=80×7,
=560;
(3)568+56÷7,
=568+8,
=576;
(4)143-8×8,
=143-64,
=79.
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