Question

tinh nhanh

(3-1/4+2/3)-(5+1/3-6/5)-(6-7/4+3/2)

 

Answer 1

(3-1/4+2/3)-(5+1/3-6/5)-(6-7/4+3/2)=-6/7/15

Answer 2

bằng -523/60

Answer 3

bằng -97/15 

Answer 4

lam tinh nhanh nhu the nao cac ban oi

ngay 26/3/2016 la tui phai nap cho co giao rui

 cac ban jup mih giai bai cho mau mau

Answer 5

(3-1/4+2/3)-(5+1/3-6/5)-(6-7/4+3/2)

= 3-1/4+2/3-5-1/3+6/5-6+7/4-3/2

= (3-5-6)+(-1/4+7/4)+(2/3-1/3)+(6/5-3/2)

= (-8)+8/4+1/3+(-3/10)

= (-8)+3/2+1/3+(-3/10)

= (-37/6)+(-3/10)

= -97/15

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