题目内容
计算下面各题.
(1)56+136÷2
(2)(35+127)÷3
(3)39×8÷6
(4)309-656÷4.
(1)56+136÷2
(2)(35+127)÷3
(3)39×8÷6
(4)309-656÷4.
(1)56+136÷2
=56+68
=124;
(2)(35+127)÷3
=162÷3
=54;
(3)39×8÷6
=312÷6
=52;
(4)309-656÷4
=309-164
=145.
=56+68
=124;
(2)(35+127)÷3
=162÷3
=54;
(3)39×8÷6
=312÷6
=52;
(4)309-656÷4
=309-164
=145.
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