2 x 17 + 38 x 17 + 31 x 17 + 29 x 17
= 17 x ( 2 + 38 + 31 + 29 )
= 17 x 100
= 1700
2x17+38x17+31x17+29x17
=17x(2+38+31+29)
+17x100
=1700
2 x 17 + 38 x17 + 31 x 17 + 29 x 17
= 17 x ( 2 + 38 + 31 + 29 )
= 17 x 100
= 1700
\(2.17+38.17+31.17+29.17\)
\(=17.\left(2+38+31+29\right)\)
\(=17.100=1700\)
Học tốt
