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Ex 7 Pls, DAU COROANA+15 p

Ex 7 Pls DAU COROANA15 P class=

Răspuns :

Sket
a) x= 1,5+1,3; x=2,8
b)x=5-3,4; x=1,6
c)-x=4,15-3; x=1,5
d)x=9,8-7; x=2,8
e)2x=5,28-3,14; 2x=2,14; x=1,07
f)2x=1,36+5; x=6,36:2; x=3,18
g)3x=6,02-4,16; x=3:1,86; x=0.62
h)3x=3.19+4,28; x= 7,47:3; x=2,49

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