127.10+127.90
=127.(10+90)
=127.100
=12700
\(\text{127.10+127.90}\)
\(=127.\left(90+10\right)\)
\(=127.100=12700\)
127 . 10 + 127 . 90
= 1270 + 11430
= 12700
127.10+127.90
=127.(10+90)
=127*100
=12700
127 x 10 + 127 x 90
= 127 x ( 10 + 90 )
= 127 x 100
= 12700
nha bn
4 và 5