Zadanie 18 a) b) i c) prosze to na jutro daje naj :D same wyniki :)

2,2+(-3 1/2)=22/10+(-7/2)=22/10-7/2=11/5-7/2= -13/10= -1 3/10 -6,3+(-2 2/5)= -63/10+(-12/5)= -63/10-12/5= -87/10= -8 7/10 -8 1/3-1,1= -25/3-11/10= -283/30= -9 13/30 -3 3/4-(-5,1)= -15/4-(-51/10)= -15/4+51/10=27/20=1 7/20 2,25-3 1/2=225/100-7/2=9/4-7/2= -5/4= -1 1/4 -5 1/8-0,25= -41/8-25/100= -41/8-1/4= -43/8= -5 3/8 -1,34-(-3 2/25)= -134/100-(-77/25)= -67/50-(-77/25)= -67/50+77/25= =87/50=1 37/50 -6 2/3-5,75= -20/3-575/100= -20/3-23/4= -149/12= -12 5/12 -1/5-0,5+(-1/2)= -1/5-5/10+(-1/2)= -1/5-1/2+(-1/2)= -7/10-1/2= -6/5= - 1 1/5 -3,8+(-8 2/5)-(-6,5)= -38/10+(-42/5)-(-65/10)= -19/5-42/5-(-65/10)= = -61/5-(-65/10)= -61/5-(-13/2)= -61/5+13/2= -57/10= -5 7/10 -4,1-2 7/20-4,25= -41/10-47/10-425/100= -129/20-17/4= -107/10= = -10 7/10 5 1/3-(-2 5/6-12 2/3)=16/3-(-17/6-38/3)=16/3-(-31/2)=16/3+31/2= =125/6=20 5/6

a. -1,3 -8,7 -9[latex] frac{13}{30} [/latex] 1,35 b. -1,25 -5[latex] frac{3}{8} [/latex] 1,74 -12[latex] frac{5}{12} [/latex] c. -1,2 -5,7 -10[latex] frac{7}{10} [/latex] 20[latex] frac{5}{6} [/latex]