помогите решить
(3/4+3/8+5/6)×24=
7×2/3+7×1/2+7×5/6=

(3/4+3/8+5/6)×24=(18+12+20/24)×24=50/24×24=507×2/3+7×1/2+7×5/6=7(2/3+1/2+5/6)=7(12+9+15/18)=7(36/18)=7×2=14