解题思路:(1)先算加法,再算除法;
(2)先算乘法,再算减法;
(3)先算除法,再算加法;
(4)按照从左到右的顺序计算.
(1)(136+23)÷3
=159÷3
=53;
(2)400-32×4
=400-128
=272;
(3)320+80÷4
=320+20
=340;
(4)240×2÷6
=480÷6
=80.
点评:
本题考点: 整数四则混合运算.
考点点评: 整数四则混合运算,关键是抓住运算顺序,正确按顺序计算即可.
解题思路:(1)先算加法,再算除法;
(2)先算乘法,再算减法;
(3)先算除法,再算加法;
(4)按照从左到右的顺序计算.
(1)(136+23)÷3
=159÷3
=53;
(2)400-32×4
=400-128
=272;
(3)320+80÷4
=320+20
=340;
(4)240×2÷6
=480÷6
=80.
点评:
本题考点: 整数四则混合运算.
考点点评: 整数四则混合运算,关键是抓住运算顺序,正确按顺序计算即可.