решите примеры
1)-5m(-4n) 8k
2)3,8x(-0,35 у) (-4,3)
3) 9/19 p (- 1 1/3) 3/7
4)-19,2 а 5/8 b (- 5/6)

• -5m * (-4n) * 8k1. (5*4*8) * mnk2. 160mnk = 160kmn• 3.8x * (-0.35y) * (-4.3)1. -(3.8*0.35*4.3)xy2. -5.719xy• 9/19p * (-11/3) * 3/71. -9/19p * 11/3 * 1/72. -99/133p• -19.2a * 5/8b * (-5/6)1. -19.2a *0.625b * (-5/6)2. 192/10a * 625/1000b * 5/63. 32/2a * 5/8b4. 16a * 5/8b5. 2a * 5b = 10ab DG_Janja