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Catalinvasilic
a fost răspuns

Afla termenul necunoscut : 25:5 + a x 2=25 b x 4 +40 :5=16 24 - cx3 -15:3=10 d:4 +35:5+4=21 va rog raspunsuri complete

Răspuns :

26:5+a×2=25
a=26:5+25×2
a=5,2+12,5
a=15

b×4+40:5=16
b=40×4+16:5
b=160+3,2
b=163,2

24-c×3-15:3=10
c=24-3×15:3+10
c=21×5+10
c=105+10
c=115

d:4+35:5+4=21
d=35:5+4×4+21
d=7+16+21
d=23+21
d=44

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