题目内容
计算(20分=4×3分+2×4分,带△的要验算)
| 306×5= | △576÷8= | △814÷4= | (60+80)÷7 | 894-60×3 | 6×29×5. |
(1)306×5=1530;

(2)576÷8=72;


(3)814÷4=203…2;


(4)(60+80)÷7,
=140÷7,
=20;
(5)894-60×3,
=894-180,
=715;
(6)6×29×5,
=(6×5)×29,
=30×29,
=870.
(2)576÷8=72;
(3)814÷4=203…2;
(4)(60+80)÷7,
=140÷7,
=20;
(5)894-60×3,
=894-180,
=715;
(6)6×29×5,
=(6×5)×29,
=30×29,
=870.
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