-4 3/5-(-5 3/4-2 1/8)+3,25-4,3=

Question

-4 3/5-(-5 3/4-2 1/8)+3,25-4,3=

Answer 1

-4 3/5-(-5 3/4-2 1/8)+3,25-4,3= - 12\5-(-15\4 - 1\4) +3.25-4.3= -12\5+4+3.25-4.3=-12\5+2.95=-12\5+59\20=11\20
ответ :11\20

Comments

ответ должен 2,225

Answer 2

1) -5 3/4-2 1/8=-5 6/8-2 1/8=-7 7/8
2) -4 3/5-(-7 7/8)=-4 3/5+7 7/8=-4 24/40+7 35/40=3 11/40
3) 3 11/40+3,25=3 11/40+3 1/4=3 11/40+3 10/40=6 21/40
4) 6 21/40-4,3=6 21/40-4 3/10=6 21/40-4 12/40=2 9/40=2,225