Ta có: \(36.17+36.54+64.71\)
\(=36.\left(17+54\right)+64.71\)
\(=36.71+64.71\)
\(=71.\left(36+64\right)\)
\(=71.100=7100\)
\(=36.\left(17+54\right)+64.71\)
\(=36.71+64.71\)
\(=\left(36+64\right).71\)
\(=100.71\)
\(=7100\)
\(k\) \(mk\) \(nha\)
bài giải này bạn ơi
36 x 17 + 36 x 54 + 64 x 71 = 36 x (17 + 54) + 64 x 71 = 71 x (36 + 64) =7100