问题
解答题
在没有括号的算式里,有乘、除法和加、减法的,要先算乘、除法.
16×6+36 500÷42×5 148-48÷6
48+112÷7 6×8+7×9 8×7-2×9
93÷3-64÷4 66÷3+72÷4 12×8-108÷6.
答案
(1)16×6+36
=96+36
=132;
(2)500÷42×5
=
×5250 21
=
;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.