Ta có:\(77.\left(-7\right)-33.7-10.\left(-7\right)=\left(-7\right).\left(77+33-10\right)\)
\(=\left(-7\right).\left(110-10\right)\)
\(=\left(-7\right).100\)
\(=-700\)
\(77.\left(-7\right)-33.7-10.\left(-7\right)\)
\(=-7.\left(77+33-10\right)\)
\(=-7.100\)
\(=-700\)
@@ Học tốt
\(77.\left(-7\right)-33.7-10.\left(-7\right)\)
\(=-7.\left(77+33-10\right)\)
\(=\left(-7\right).100\)
\(=-700\)
~Hok tốt~
#Ranjo
Trả lời:
\(77.\left(-7\right)-33.7-10.\left(-7\right)\)
\(=\left(-7\right).\left(77+33-10\right)\)
\(=\left(-7\right).100\)
\(=-700\)
Hok tốt!
Vuong Dong Yet
77 x (-7) - 33 x 7 - 10 x ( -7 )
= -7 . ( 77 + 33 - 10 )
= -7 . 100
= -700