问题
解答题
|
答案
(1)70-70÷70,
=70-1,
=69;
(2)420÷20×8,
=21×8,
=168;
(3)840÷30,
=28;
(4)750÷50+80,
=15+80,
=95;
(5)300÷2÷5,
=150÷5,
=30.
|
(1)70-70÷70,
=70-1,
=69;
(2)420÷20×8,
=21×8,
=168;
(3)840÷30,
=28;
(4)750÷50+80,
=15+80,
=95;
(5)300÷2÷5,
=150÷5,
=30.