问题
解答题
混合运算
36×3×8
(25+47)×4
156+348÷3
685+68×9.
答案
(1)36×3×8
=108×8
=864;
(2)(25+47)×4
=25×4+47×4
=100+188
=288;
(3)156+348÷3
=156+116
=272;
(4)685+68×9
=685+612
=1297.
混合运算
36×3×8
(25+47)×4
156+348÷3
685+68×9.
(1)36×3×8
=108×8
=864;
(2)(25+47)×4
=25×4+47×4
=100+188
=288;
(3)156+348÷3
=156+116
=272;
(4)685+68×9
=685+612
=1297.