1) 8 5/9-(4 2/9+2 1/6)= 2)( 18 7/12 + 3 1/5) - 7 5/12 3)3 5/16+ 1/4- 2 1/16 4)3 7/9 - 1 5/18 + 3 1/2 5)(6,6:6-8,0125+2/15*0,03)*2,75 6)70,4*51,6-3541,84)* (603,48:56,4)*889,75 ПОМОГИТЕ ПРОШУ

1) 8 5/9-(4 2/9+2 1/6)=8 5/9-4 2/9-2 1/6=4 3/9-2 1/6=4 1/3-2 1/6= = 4 2/6-2  1/6=2 1/6 2)( 18 7/12 + 3 1/5) - 7 5/12=18 7/12 + 3 1/5 - 7 5/12=11 2/12+ 3 1/5= =11 1/6+ 3 1/5=11 5/30+3 6/30=14 11/30 3)3 5/16+ 1/4- 2 1/16=1 4/16+1/4=1 1/4+1/4=1 2/4=1 1/2 4)3 7/9 - 1 5/18 + 3 1/2=3 14/18-1 5/18+3 9/18=5 18/18=6 5)(6,6:6-8,0125+2/15*0,03)*2,75=(1,1-8,0125+0,06/15)*2,75= =(-6,9125+0,004)*2,75=-6,9085*2,75=-18,998375 6)(70,4*51,6-3541,84)* (603,48:56,4)*889,75= =(3632,64-3541,84)* (603,48:56,4)*889,75=90,8* 10,7*889,75= =864445,51