问题
解答题
用四则运算顺序计算.
(75+360)÷(20-5)
28×6+84÷7
75+360÷20-5.
答案
(1)(75+360)÷(20-5)
=435÷15
=29;
(2)28×6+84÷7
=168+12
=180;
(3)75+360÷20-5
=75+18-5
=93-5
=88.
用四则运算顺序计算.
(75+360)÷(20-5)
28×6+84÷7
75+360÷20-5.
(1)(75+360)÷(20-5)
=435÷15
=29;
(2)28×6+84÷7
=168+12
=180;
(3)75+360÷20-5
=75+18-5
=93-5
=88.