题目内容
| 脱式计算. 360÷6-35 | 15+19×4 | 69+300÷3 | 40×5+20 |
| (20+40)÷6 | (90-10)÷8 | 200-90÷9 | 90-80÷2 |
| 65-90÷3. |
(1)360÷6-35,
=60-35,
=25;
(2)15+19×4,
=15+76,
=91;
(3)69+300÷3,
=69+100,
=169;
(4)40×5+20,
=200+20,
=220;
(5)(20+40)÷6,
=60÷6,
=10;
(6)(90-10)÷8,
=80÷8,
=10;
(7)200-90÷9,
=200-10,
=190;
(8)90-80÷2,
=90-40,
=50;
(9)65-90÷3,
=65-30,
=35.
=60-35,
=25;
(2)15+19×4,
=15+76,
=91;
(3)69+300÷3,
=69+100,
=169;
(4)40×5+20,
=200+20,
=220;
(5)(20+40)÷6,
=60÷6,
=10;
(6)(90-10)÷8,
=80÷8,
=10;
(7)200-90÷9,
=200-10,
=190;
(8)90-80÷2,
=90-40,
=50;
(9)65-90÷3,
=65-30,
=35.
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