23 . 75 + 25 . 10 + 25 . 13 + 180 = 23 . 75 + 25.(10+13) + 180
= 23.75 + 25.23 + 180 = 23.(75 + 25) + 180
= 23.100 + 180 = 2300 + 180 = 2480
23 x 75 + 25 x 10 + 25 x 13 + 180
= 23 x 75 + 25 x ( 10 + 13 ) + 180
= 23 x 75 + 23 x 25 + 180
= 23 x ( 75 + 25 ) + 180
= 23 x 100 + 180
= 2300 + 180
= 2480
~ HOK TỐT ~
\(23.75+25.10+25.13+180\)
\(=23.75+25\left(10+13\right)+180\)
\(=23.75+25.23+180\)
\(=23\left(75+25\right)+180\)
\(=23.100+180\)
\(=2300+180\)
\(=2480\)
\(23.75+25.10+25.13+180\)
\(=23.75+25\left(10+13\right)+180\)
\(=23.75+25.23+180\)
\(=23.\left(75+25\right)+180\)
\(=23.100+180\)
\(=2300+180\)
\(=2480\)
23 . 75 + 25 . 10 + 25 . 13 + 180
= 1725 + 250 + 325 + 180
= ( 1725 + 325 ) + ( 250 +180 )
= 2050 + 430
= 2480
23.75+25.10+25.13+180
=23.75+25.(10+13)+180
=23.75+25.23+180
=23.(25+75)+180
=23.100+180
=2300+180=2480
