题目内容
脱式计算
| 175-75÷25 | 68+35×13 | 725-(125+237) |
| (114+166)÷35 | 432÷(9×8) | 189-60+40. |
(1)175-75÷25,
=175-3,
=172;
(2)68+35×13,
=68+455,
=523;
(3)725-(125+237),
=(725-125)+237,
=600+237,
=837;
(4)(114+166)÷35,
=280÷35,
=8;
(5)432÷(9×8),
=432÷72,
=6;
(6)189-60+40,
=189-(60-40),
=189-20,
=169.
=175-3,
=172;
(2)68+35×13,
=68+455,
=523;
(3)725-(125+237),
=(725-125)+237,
=600+237,
=837;
(4)(114+166)÷35,
=280÷35,
=8;
(5)432÷(9×8),
=432÷72,
=6;
(6)189-60+40,
=189-(60-40),
=189-20,
=169.
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