解题思路:按照在没有括号的算式里,有乘、除法和加、减法的,要先算乘、除法的运算顺序计算即可.
(1)16×6+36
=96+36
=132;
(2)500÷42×5
=[250/21]×5
=[1250/21];
(3)148-48÷6
=148-8
=140;
(4)48+112÷7
=48+16
=64;
(5)6×8+7×9
=48+63
=111;
(6)8×7-2×9
=56-18
=38;
(7)93÷3-64÷4
=31-16
=15;
(8)66÷3+72÷4
=22+18
=40;
(9)12×8-108÷6
=96-18
=78.
点评:
本题考点: 整数四则混合运算.
考点点评: 此题考查整数四则混合运算的运算顺序:没有括号的算式里,有乘、除法和加、减法的,要先算乘、除法.