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47×56+16×474÷45-45÷413×(213+211)×11(38+127)×16

2022-08-14 02:25:17 问答库 阅读 200 次

问题详情

4

7

×5

6

+1

6

×4

7

4

5

-4

5

÷4

13×(2

13

+2

11

)×11(3

8

+1

27

)×16+11

27

8

9

×2

5

÷8

15

2

3

+(4

7

+1

2

7

25

8

13

÷7+1

7

×5

13

1

8

×58+1

8

×41+1

8

2

5

×1

5

+40%×4

5

5

9

÷5+5÷5

9

参考答案

47×56+16×47
=47×(56+16
=47×1,
=47


②4÷45-45÷4,
=4×54-45×14
=5-15
=445

③13×(213+211)×11,
=( 13×213+13×211)×11,
=(2+2611 )×11,
=22+26,
=48;

④(38+127)×16+1127
=38×16+1627+1127
=6+(1627+1127),
=6+1,
=7;


89×25÷815
=89×25×158
=23


23+(47+12)×725
=23+47×725+12×725
=23+425+750
=23+310
=2930


813÷7+17×513
=(813+513)×17
=1×17
=17

18×58+18×41+18
=18×(58+41+1),
=18×100,
=12.5;

25×15+40%×45
=25×15+25×45
=25×(15+45),
=25

59÷5+5÷59
=59×15+5×95
=19

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