Question

вычислите 23*16+16*27 г)40*87-39*87

Answer 1

23*16+16*27 = 800
1) 23*16 = 368
2) 16*27 = 432
3) 368+432= 800

40*87-39*87 = 87
1) 40*87 =3480
2)  39*87= 3393
3) 3480 - 3393 = 87