👤
Rares56
a fost răspuns

URGENT!!! Ex. 1, 2, 3, vă rog!​

URGENT Ex 1 2 3 Vă Rog class=

Răspuns :

1)

7.5 ....... 45

11.25 ....... x

x=11.25×45÷7.5

x=67.5

2)

x-pagini

x/3+2/3×2x/3+12=x

x/3+4x/9+12=x

3x+4x+12×9=9x

7x+12×9=9x

x=6×9

x=54

3)11x/18 + 5= 2x/3

11x+5×18=12x

x=90

Alte intrebari