题目内容
用递等式计算.
| 15×(41-17)÷30 | 350÷7+24×3 | 500×[(280+80)÷6]. |
(1)15×(41-17)÷30,
=15×24÷30,
=360÷30,
=12;
(2)350÷7+24×3,
=50+72,
=122;
(3)500×[(280+80)÷6],
=500×[360÷6],
=500×60,
=30000.
=15×24÷30,
=360÷30,
=12;
(2)350÷7+24×3,
=50+72,
=122;
(3)500×[(280+80)÷6],
=500×[360÷6],
=500×60,
=30000.
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