care e raspunsul la ex 3 (b, c) si ex 4? va ROG RAPID!!!
![Care E Raspunsul La Ex 3 B C Si Ex 4 Va ROG RAPID class=](https://ro-static.z-dn.net/files/db5/e44bee4418ad055ad335fb184ba08e3c.jpg)
Răspuns:
a) 12 kg smantana.....3 kg unt
28 kg smantana....x kg unt
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x=(28x3):12= 7 kg unt
b) 12kg smantana.....3 kg unt
x kg smantana............8 kg unt
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x=(12x8):3=32 kg smantana
Explicație pas cu pas: