题目内容
| 脱式计算 492-145-155 | 76+48÷6 | 740+910÷13 |
| 360÷(136-64) | 720÷36×35 | 150+(140×8-252) |
(1)492-145-155
=492-(145+155)
=492-300
=192;
(2)76+48÷6
=76+8
=84;
(3)740+910÷13
=740+70
=810;
(4)360÷(136-64)
=360÷72
=5;
(5)720÷36×35
=20×35
=700;
(6)150+(140×8-252)
=150+(1120-252)
=150+868
=1018.
=492-(145+155)
=492-300
=192;
(2)76+48÷6
=76+8
=84;
(3)740+910÷13
=740+70
=810;
(4)360÷(136-64)
=360÷72
=5;
(5)720÷36×35
=20×35
=700;
(6)150+(140×8-252)
=150+(1120-252)
=150+868
=1018.
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