4(a+2) 8(-7x) 12(x+y) (c-9)*11 (8+y)*16 15(4a-3) 7(6a+8b) - вопрос №82276614287129118161543768102342 от dimass56789 20.12.2020 16:13

Question

Математика: 4(a+2) 8(-7x) 12(x+y) (c-9)*11 (8+y)*16 15(4a-3) 7(6a+8b) 10(2m-3n+4r) (24x+17y-36z)*4

dimass56789 · Answer

4(a+2)=4а+88(-7x)=-56х 12(x+y)=12х+12у (c-9)*11=11с-99 (8+y)*16=128+16у 15(4a-3)=60а-45 7(6a+8b)=42а+56b10(2m-3n+4r)=20m-30n+40r(24x+17y-36z)*4=96x+68y-144z...