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脱式计算.175-75÷2568+35×13725-(125+237)(114+166)÷35432÷(9×8)+189-60+40.

题目详情
脱式计算.
175-75÷25        68+35×13        725-(125+237)
(114+166)÷35      432÷(9×8)+189-60+40.
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答案和解析
(1)175-75÷25,
=175-3,
=172;

(2)68+35×13,
=68+455,
=523;

(3)725-(125+237),
=725-125-237,
=600-237,
=363;

(4)(114+166)÷35,
=280÷35,
=8;

(5)432÷(9×8)+189-60+40,
=432÷72+189-60+40,
=6+189-60+40,
=195-60+40,
=135+40,
=175.