beautifulcharm beautifulcharm

24-01-2021
Chemistry

contestada

fill in the blank the proportion
5:7=_:49
18:_=6:4
[tex]3a - (b.a) - (c - d) + 4d + 5c - 8a = [/tex]

Respuesta :

monggol monggol

24-01-2021

Answer:

(1) 3

(2) 12

(3) -ab+4c+5d-5a

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