问题 解答题
脱式计算
(780-724)×15        
1800-800÷16         315÷35+457
88×(960÷12)2318+540÷15         168+32×48.
答案

(1)(780-724)×15,

=56×15,

=840;

(2)1800-800÷16,

=1800-50,

=1750;

(3)315÷35+457,

=9+457,

=466;

(4)88×(960÷12),

=88×80,

=7040;

(5)2318+540÷15,

=2318+36,

=2354;

(6)168+32×48,

=168+1536,

=1704.

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