Question

Oblicz:
B)- 3 2/7 + 7 6/7
C) 2 3/4 - 3 1/2
D) -1 1/4 - 2 2/3

Z góry dzięki :)
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Answer 1

b)

[tex] - 3 \frac{2}{7} + 7 \frac{6}{7} = 4 \frac{4}{7} [/tex]

c)

[tex]2 \frac{3}{4} - 3 \frac{1}{2} = 2 \frac{3}{4} - 3 \frac{2}{4} = - 1 \frac{1}{4} [/tex]

d)

[tex] - 1 \frac{1}{4} - 2 \frac{2}{3} = - 1 \frac{3}{12} - 2 \frac{8}{12} = - 3 \frac{11}{12} [/tex]