(3/4+1/6)*3+(5/6-1/2): 2/9 (7/15+7/30+4/5): (2-1/3-1/2) - вопрос №8921668341635612297157304521312 от Mmamagadzhieva 17.09.2020 23:36

Question

Математика: (3/4+1/6)*3+(5/6-1/2): 2/9 (7/15+7/30+4/5): (2-1/3-1/2)

Mmamagadzhieva · Answer

(3/4+1/6)*3+(5/6-1/2):2/9=4 1/43/4+1/6=9/12+2/12=11/1211/12*3=11/45/6-1/2=5/6-3/6=2/6=1/31/3:2/9=1/3*9/2=3/211/4+3/2=11/4+6/4=17/4=4 1/4=4.125(7/15+7/30+4/5):(2-1/3-1/2)=1 2/77/15+7/30+4/5=14/30+7/30+24/30=45/30=3/22-1/3-1/2=2-2/6-3/6=2-5/6=1 1/63/2:1 1/6=3/2*6/7=9/7=1 2/7...