Вычислите (3/4+1/6)×3+(5/6-1/2)÷2/9 ; (1цел 1/5+2цел 3/10)÷1/2+(6цел3/4-2цел2/3)÷1цел1/6

(3/4+1/6)*3+(5/6-1/2):2/9=4 1/4

1) 3/4+1/6=9/12+2/12=11/12
2) 11/12*3=11/4=2 3/4
3) 5/6-1/2=5/6-3/6=2/6=1/3
4) 1/3:2/9=1/3*9/2=3/2=1 1/2
5) 2 3/4+1 1/2=2 3/4+1 2/4=3 5/4=4 1/4

(1 1/5+2 3/10):1/2+(6 3/4-2 2/3):1 1/6=

1) 1 1/5+2 3/10=1 2/10+2 3/10=3 5/10=3 1/2
2) 3 1/2:1/2=7/2*2/1=7
3) 6 3/4-2 2/3=6 9/12-2 8/12=4 1/12
4) 4 1/12:1 1/6=49/12*6/7=7/2=3 1/2
5) 7+3 1/2=10 1/2

1) 17\4 = 4 цел 1\4
2) 15 цел 1\12