Question

tính nhanh 

11*7-700*0,1-7

Answer 1

\(11.7-700.0,1-7\)

\(=11.7-7.100.0,1-7\)

\(=11.7-7.10-7\)

\(=7.\left(11-10-1\right)\)

\(=7.0\)

\(=0\)

Answer 2

=(11*7)-(700*0.1)-7

=77-70-7

=7-7=0

chúc bn hok giỏi

Answer 3

77-70-7= 0