0,2x317x7+ 0,14x3520+ 33,1x 14
= 1,4x 317+ 1,4 x 352 + 331 x 1,4
= 1,4 x (317 + 352 + 331)
= 1,4 x 1000
= 1400
\(∘white\)
\( 0 , 2 × 317 × 7 + 0 , 14 × 3520 + 33 , 1 × 14\)
\(= 1 , 4 × 317 + 1 , 4 × 352 + 331 × 1 , 4\)
\(= 1 , 4 × ( 317 + 352 + 331 ) \)
\(= 1 , 4 × 1000\)
\(= 1400\)