ćwiczenia matematyka z plusem 4 arytmetyka wersja B strona 71 zadanie 11 Oblicz.

4=3 7/7 a) 4 - 2/7=3 7/7 -2/7= 3 5/7 b)6=5 4/4 6-1 1/4= 5 4/4-1 1/4=4 3/4 c)4 1/3 - 1 2/3= 3 4/3- 1 2/3=2 2/3 d)5 2/9 - 3 4/9 = 4 11/9 - 3 4/9=1 7/9 Mam nadzieję że pomogłem LICZĘ NA NAJ

a) 4 - [latex] frac{2}{7} [/latex] = 3 [latex] frac{7}{7} [/latex] - [latex] frac{2}{7} [/latex] = 3 [latex] frac{5}{7} [/latex] b) 6 - 1 [latex] frac{1}{4} [/latex] = 5 [latex] frac{4}{4} [/latex] - 1 [latex] frac{1}{4} [/latex] = 4 [latex] frac{3}{4} [/latex] c) 4 [latex] frac{1}{3} [/latex] - 1 [latex] frac{2}{3} [/latex] = 3 [latex] frac{4}{3} [/latex] - 1 [latex] frac{2}{3} [/latex] = 2 [latex] frac{2}{3} [/latex] d) 5 [latex] frac{2}{9} [/latex] - 3 [latex] frac{4}{9} [/latex] = 4 [latex] frac{11}{9} [/latex] - 3 [latex] frac{4}{9} [/latex] = 1 [latex] frac{7}{9} [/latex]