Question

Oblicz.

b) 4/9x1/2=

4/5x1/2=

(3/7)²=

c) 1/4x3/7=

3/5x5/8=

(2/3)³=

Oblicz.

a) 1 4/9x12=

23/8x12=

(1 1/4)²=

(1 1/4)³=

b) 4 2/7x3 1/2=

8 1/3x2 2/5=

4 1/5x2 1/7=

(1 2/3)³=

(2 1/2)²=

Answer 1

zadanie 1

b)

4/9*1/2=4/18=2/9

4/5*1/2=4/10=1/5

(3/7)²=9/49

c) 1/4*3/7=3/28

3/5*5/8=15/40=3/8

(2/3)³=8/27

 

zadanie 2

a)

1 4/9*12=13/9*12=156/9=17 3/9=17 1/3

23/8*12=276/8=34 4/8=34 1/2

(1 1/4)²=(5/4)²=25/16=1 9/16

(1 1/4)³=(5/4)³=125/64=1 61/64

 

b)

4 2/7*3 1/2=30/7*7/2=15

8 1/3*2 2/5=25/3*12/5=4*5=20

4 1/5*2 1/7=21/5*15/7=3*3=9

(1 2/3)³=(5/3)³=125/27=4 17/27

(2 1/2)²=(5/2)²=25/4=6 1/4

 

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Answer 2

b) 4/9x1/2=4/18=2/9
4/5x1/2=4/10=2/5
(3/7)²=9/49
c) 1/4x3/7=3/28
3/5x5/8=15/40=3/8
(2/3)³=8/27

Oblicz.
a) 1 4/9x12=13/9*12=156/9=17 3/9= 17 1/3
23/8x12=276/8=34 1/2
(1 1/4)²=(5/4)²=25/16=1 9/16
(1 1/4)³=(5/4)³=125/64=1 61/64

b) 4 2/7x3 1/2=30/7*7/2=30/2=15
8 1/3x2 2/5=25/3*12/5=5*4=20
4 1/5x2 1/7=21/5*15/7=3*3=9
(1 2/3)³=(5/3)³=125/27=4 17/27
(2 1/2)²=(5/2)²=25/4=6 1/4

 

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