3/14 : 3 1/7 = (x - 1/2) : 3 2/3 Решите пожалуйста
Срочно! Пожалуйста!!!!
(3/14)÷3(1/7)=(х-(1/2))÷3(2/3) (х-(1/2))÷3(2/3)=(3/14)÷(22/7) (х-(1/2))÷(11/3)=(3×7)/(7×2×22) (х-(1/2))÷(11/3)=(3/44)|×(11/3) х-(1/2)=(3×11)/(4×11×3) х-(1/2)=(1/4) х=(1/4)+(1/2) х=(1+1×2)/4 х=(3/4) х=0,75