1) 1,28(-2\frac{1}{4})3,5-45,92 = 1,28(-2,25)3,5-45,92 = -6,45*3,5-45,92 = -22,575-45,92 = -68,495
2) (-6\frac{3}{4})(-10)(1,3)+100 = -6,75(-10)1,3+100 = 67,5*1,3+100 = 87,75+100 = 187,75
1) 1,28(-2\frac{1}{4})3,5-45,92 = 1,28(-2,25)3,5-45,92 = -6,45*3,5-45,92 = -22,575-45,92 = -68,495
2) (-6\frac{3}{4})(-10)(1,3)+100 = -6,75(-10)1,3+100 = 67,5*1,3+100 = 87,75+100 = 187,75