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Ex 18 si 19 ,va rooggg muuult!​

Ex 18 Si 19 Va Rooggg Muuult class=

Răspuns :

Răspuns:

a) 7/8xa=-150=>a=(-140x7)/8=>a=-160

b) 5/4xa=-0,05=>a=(4x(-0,05))/5=>a=-1/25

C) 30/100xa/2=30=>a=200x30/30=>a=200