1) -4,5-(7-9,5)= -4,5-7+9,5=7
2) -5/8-(5/8-1)= -5/8-5/8+1=1
3)-18-(9-5)= -18-9+5= -22
4)-0,25-(3-2,25)= -0,25-3+2,25= -1
5) -2/9-(1-8/9)= -2/9-1+8/9= 2/3-1= -1/3
1) -4,5-(7-9,5)= -4,5-7+9,5=7
2) -5/8-(5/8-1)= -5/8-5/8+1=1
3)-18-(9-5)= -18-9+5= -22
4)-0,25-(3-2,25)= -0,25-3+2,25= -1
5) -2/9-(1-8/9)= -2/9-1+8/9= 2/3-1= -1/3