Заранее а. (2/4+3/4): 5=.(1/2+1/3)=.(4/3+1/9)•4=.(1/2-1/3)•3=.(5/6-1/4): - вопрос №243451213431941213355845254 от vladivanko400 18.05.2021 08:12

Question

Математика: Заранее а. (2/4+3/4): 5=.(1/2+1/3)=.(4/3+1/9)•4=.(1/2-1/3)•3=.(5/6-1/4): 7=

vladivanko400 · Answer

а. (2/4+3/4):5=5/4 *1/5=1/4б.(1/2+1/3)=3/6+2/6=5/6в.(4/3+1/9)•4=(12/9+1/9)*4=13/9 * 4=52/9=5.7/9г.(1/2-1/3)•3=(3/6-2/6)*3=1/6 * 3 = 1/2д.(5/6-1/4):7= (10/12-3/12) : 7 = 7/12 * 1/7 = 1/12...