Question

1, tinh nhanh  \(M=\frac{16,2x3,7+5,7x16,2-7,8x4-4,6x7,8}{11,2+12,3+13,4-12,6-11,5-10,4}\)

 

Answer 1

\(M=\frac{16,2\times\left(3,7+5,7\right)-7,8\times\left(4+4,6\right)}{\left(13,4-12,6\right)+\left(12,3-11,5\right)+\left(11,2-10,4\right)}=\frac{16,2\times9,4-7,8\times8,6}{0,8+0,8+0,8}=355\)

Answer 2

35 , 5                             

Answer 3

355 nha

Answer 4

355 nha

..............

k mk nhé