Question

(63/7):(-9)+41/3 ;  (-7/24)*(  -1 1/7)*3 ; (-2,7):(-1 4/5)*(1 5/9)  пожалуйста

Answer 1

(63/7):(-9)+41/3=9:(-9)+41/3=-1+41/3=-3/3+41/3=38/3=12 2/3
(-7/24)*( -1 1/7)*3=7/24*8/7*3=1/24*8/7*3=1/24*24/7=1/7
(-2,7):(-1 4/5)*(1 5/9) =2,7:1,8*14/9 =1,5*14/9=1*14/6=7/3=2 1/3