-22+25а, 0.6(27-23c),1/35(15m+28n-70)
Объяснение:
-4(6-7а)+(-3а+2)= -24+28а-3а+2= -22+25а
1,5(6-1,2с)-(5с-3)×2,4= 3/10*(5(6-6/5c)-8(5c-3)= 3/10*(30-6c-40c+24)=3/10(54-46c)= 3/10*2(27-23c)=0.6(27-23c)
9/35(1 2/3m-7/9n)-5/6(2 2/5-1,2n)=1/35(15m+28n-70)
-22+25а, 0.6(27-23c),1/35(15m+28n-70)
Объяснение:
-4(6-7а)+(-3а+2)= -24+28а-3а+2= -22+25а
1,5(6-1,2с)-(5с-3)×2,4= 3/10*(5(6-6/5c)-8(5c-3)= 3/10*(30-6c-40c+24)=3/10(54-46c)= 3/10*2(27-23c)=0.6(27-23c)
9/35(1 2/3m-7/9n)-5/6(2 2/5-1,2n)=1/35(15m+28n-70)