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请你来算一算 能简算的要简算.1115÷[10×(23+45)]34×813+513×34-

2022-08-14 02:51:52 问答库 阅读 200 次

问题详情

请你来算一算,能简算的要简算.
11

15

÷[10×(2

3

+4

5

)]

3

4

×8

13

+5

13

×3

4

-3

4

(1

4

+1

6

)÷1

2

-2

3

×1

4

1

3

×4

5

÷2

3

(2

3

-1

2

)÷5

6

(1

6

+7

10

-4

15

)×30.

参考答案


(1)1115÷[10×(23+45)],
=1115÷[10×2215],
=1115÷443,
=120;

(2)34×813+513×34-34,
=34×(813+513-1),
=34×0,
=0;

(3)(14+16)÷12-23×14,
=512÷12-23×14,
=56-16,
=23;

(4)13×45÷23,
=415÷23,
=25;

(5)(23-12)÷56,
=16÷56,
=15;

(6)(16+710-415)×30,
=16×30+710×30-415×30,
=5+21-8,
=26-8,
=18.

考点: