来自付振宪的问题
用四则运算顺序计算.(75+360)÷(20-5)28×6+84÷775+360÷20-5.
用四则运算顺序计算.
(75+360)÷(20-5)
28×6+84÷7
75+360÷20-5.
1回答
2020-04-07 14:59
用四则运算顺序计算.(75+360)÷(20-5)28×6+84÷775+360÷20-5.
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.