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7. Calculati:
a) 1
1 1 17:51
18 4
13 7
1
27 18
1
1- :1
35 28
d) 311.11
3
15 25
;
13 11
e) 15:12
32 16
Va rooog repede

7 Calculati A 1 1 1 1751 18 4 13 7 1 27 18 1 1 1 35 28 D 31111 3 15 25 13 11 E 1512 32 16 Va Rooog Repede class=

Răspuns :

Stupareask

Explicație pas cu pas:

a) 35/18:21/4=35/18*4/21=5/9*2/3=10/27

b) 40/27:25/18=40/27*18/25=8/3*2/5=16/15

c) 36/35:45/28=36/35*28/45=4/5*4/5=16/25

d) 56/15:27/25=56/15*25/27=56/3*5/27=280/81

e) 45/32:27/16=45/32*16/27=5/2*1/3=5/6

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