Giải
99*112-99*13+99
=99*(112-13)+99
=99*99+99
=9801+99
=9810
Tk mình nhé
99 x 112 - 99 x 13 + 99 =
99 x ( 112 - 13 + 1 ) =
99 x 100 = 9900
= 99*[112-(13+99)]
=99*0=0 . Nhớ k cho mik nha !
\(99\times112-99\times13+99\)
\(=99\times\left(112-13+1\right)\)
\(=99\times100\)
\(=9900\)