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

=

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.

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