题目内容
脱式计算.
| ①125×8×6 | ②(47+53)÷217 | ③125-25×4 | ④213×(400-397) |
①125×8×6,
=1000×6,
=6000;
②(47+53)÷217,
=100÷217,
=
;
③125-25×4,
=125-100,
=25;
④213×(400-397),
=213×3,
=619.
=1000×6,
=6000;
②(47+53)÷217,
=100÷217,
=
| 100 |
| 217 |
③125-25×4,
=125-100,
=25;
④213×(400-397),
=213×3,
=619.
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