1)-25х1,5х(-4) 2)0,5х(-23)х2 3)-5х(-2,7)х4 4)3,5х(-0,4)х(-2)х5 5)-2,5х(-18)х(-4) 6)-4,5х(-0,2)х(-2)х2,5 7)1/6х(-7)х(-6) 8) -3/4х(-5)х(-1 1/3)

1)-25х1,5х(-4) = 37,5 × (-4) = - 150

2)0,5х(-23)х2 = (-11,5) × 2 = - 23

3)-5х(-2,7)х4 = 13,5 × 4 = 54

4)3,5х(-0,4)х(-2)х5 = (-1,4) × (-2) × 5 = 2,8×5 = 14

5)-2,5х(-18)х(-4) = 45 × (-4) = - 180

6)-4,5х(-0,2)х(-2)х2,5 = 9 × (-2) × 2,5 = (-18) × 2,5 = - 45

7)1/6х(-7)х(-6) = (-7/6) × (-6) = 7

8) -3/4х(-5)х(-1 1/3) = 15/4 × (-4/3) = - 5