题目内容
计算:
| 300+400-500= | 3×6÷9= | (45-37)×6= |
| 54÷9+34= | 9×(78-69)= | 240-8×5= |
(1)300+400-500,
=700-500,
=200;
(2)3×6÷9,
=18÷9,
=2;
(3)(45-37)×6,
=8×6,
=48;
(4)54÷9+34,
=6+34,
=40;
(5)9×(78-69),
=9×9,
=81;
(6)240-8×5,
=240-40,
=200;
=700-500,
=200;
(2)3×6÷9,
=18÷9,
=2;
(3)(45-37)×6,
=8×6,
=48;
(4)54÷9+34,
=6+34,
=40;
(5)9×(78-69),
=9×9,
=81;
(6)240-8×5,
=240-40,
=200;
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