计算下面各题.510÷5÷2=639÷3-48=380×(132-127)=124+171÷3

计算下面各题.510÷5÷2=639÷3-48=380×(132-127)=124+171÷3=
2024-12-03 00:20:06
推荐回答(1个)
回答1:

(1)510÷5÷2
=510÷(5×2)
=510÷10
=51;

(2)639÷3-48
=213-48
=165;

(3)380×(132-127)
=380×5
=1900;

(4)124+171÷3
=124+57
=181.