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计算(1)34÷(2+34)×211(2)710×514+27÷314(3)920×38×5

2022-08-14 02:54:13 问答库 阅读 200 次

问题详情

计算
(1)3

4

÷(2+3

4

)×2

11

(2)7

10

×5

14

+2

7

÷3

14

(3)9

20

×3

8

×5

9

×4

3

(4)27

8

÷[(1

3

-1

4

)×9

4

]

(5)4

7

+5

9

÷4

7

+11

8

(6)3

10

-(3

5

-2

5

÷2

3

).

参考答案

(1)34÷(2+34)×211,
=34÷114×211,
=311×211,
=6121;

(2)710×514+27÷314,
=14+43,
=1712;

(3)920×38×59×43,
=(920×59)×(38×43),
=14×12,
=18;

(4)278÷[(13-14)×94],
=278÷[112×94],
=278÷316,
=18;

(5)47+59÷47+118,
=47+3536+118,
=389252+118,
=2463504.

考点: