\(7.14+7.14+7.14\cdot8\)
\(=7.14\cdot\left(1+1+8\right)\)
\(=7.14\cdot10\)
\(=71.4\)
k hộ mk nhé!!!!
~ học tốt ~
\(7,14+7,14+7,14\)x \(8\)
\(=7,14X3X8\)
\(=21,42X8=171,36\)
7.14+7.14+7.14*8
=7,14*(1+1+8)
=7,14*10
=71,4
7.14 + 7.14 + 7.14 x 8
= 7.14 x ( 1 + 1 + 8 )
= 7.14 x 10
= 71.4
Hk
tốt