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计算下面各题87-13×6+55(58-26)÷4×28(23+27)×(78÷6)(115-45)÷565×(54-54)(125+250)÷(40-15)

题目详情
计算下面各题
87-13×6+55        

(58-26)÷4×28           

(23+27)×(78÷6)
(115-45)÷5          65×(54-54)(125+250)÷(40-15)
▼优质解答
答案和解析
(1)87-13×6+55
=87-78+55
=9+55
=64;

(2)(58-26)÷4×28
=32÷4×28
=8×28
=224;

(3)(23+27)×(78÷6)
=50×13
=650;

(4)(115-45)÷5
=70÷5
=14;

(5)65×(54-54)
=65×0
=0;

(6)(125+250)÷(40-15)
=375÷25
=15.