3,8х-3,7х+2,9х;Если=4

Question

3,8х-3,7х+2,9х;Если=4

Answer 1

3.8·4-3.7·4+2.9·4=15.2-14.8+11.6=0.4+11.6=12.0=12

Answer 2

3.8x-3.7x = 0.1x
0.1x + 2.9x = 3x
3 * 4 = 12