Oblicz: Zadanie w zalaczniku podajcie rozwiązania i odp a , b , c lub d

zad5 A/ 67,32*10-1,2=673,2-1,2=672 B/  7 7/9-2 6/9+8/9=5 1/9+8/9=5 9/9=6 C/ 11-32 5/11-4=11-357/11-4=(-236/11)-4=-280/11=- 25 5/11 D/ 2,345-100+7,85*10=-97,655+78,5= - 19,155 ZAD 6 A -12,386+3 2/7= -6193/500+23/7=-43351/3500+11500/3500=-31851/3500=-9 351/3500 K-12,386*3 2/7=-6193/500*23/7=-142439/3500=-40 2439/3500 R-12,386-3 2/7=-6193/500-23/7=-43351/3500-11500/3500=-54851/3500=-15 2351/3500 B- 12,386:3 2/7=-6193/500:23/7=-6193/500*7/23=-43351/11500=-3 8851/11500 B..KRAB