1)10/7*х=40/49 2)х*2/5=9/13 3)4/9*х=50/27 4)12/5*х=96/35 - вопрос №537170211074049225913349502741259635556712 от знание333333 17.05.2020 18:07

Question

Математика: 1)10/7*х=40/49 2)х*2/5=9/13 3)4/9*х=50/27 4)12/5*х=96/35 5)х*5/6=7/12

знание333333 · Answer

1)10/7*Х=40/49; Х=40/49*7/10; х=4/7;/// 2)х*2/5=9/13; х=9/13*5/2; Х=45/26; х=1 19/26;/// 3)4/9*х=50/27; х=50/27*9/4; х=25/6; Х=4 1/6;/// 4)12/5*х=96/35; х=96/35*5/12; Х=8/7; х=1 1/7;/// 5)х*5/6=7/12; Х=7/12*6/5; Х=7/10...