1) -2,6+(-1,4)+(-0,3)+(-9,7)= -4+(-10)= -14
2) (1,5+8,5)-(5,4+1,6)=10-7=3
3) 4,37+6,63+(-3,65)+(-7,35)=10+(-11)=-10-11=-1
4) -2-(-9,94-0,06)=-2-(-10)=-2+10=8
1) -2,6+(-1,4)+(-0,3)+(-9,7)= -4+(-10)= -14
2) (1,5+8,5)-(5,4+1,6)=10-7=3
3) 4,37+6,63+(-3,65)+(-7,35)=10+(-11)=-10-11=-1
4) -2-(-9,94-0,06)=-2-(-10)=-2+10=8