问题 解答题
脱式计算.
75+25×4800-24×5(15+35)×65×18×7
125×8×736÷9×1216×5-8(350-45)×7
答案

(1)75+25×4

=75+100

=175;

(2)800-24×5

=800-120

=680;

(3)(15+35)×6

=50×6

=300;

(4)5×18×7

=90×7

=630;

(5)125×8×7

=1000×7

=7000;

(6)36÷9×12

=4×12

=48;

(7)16×5-8

=80-8

=72;

(8)(350-45)×7

=305×7

=2135.

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