Odpowiedź:
a) -2 1/3 - (-5 3/4) = - 7/3 + 5 3/4 = - 7/3 + 23/4 = 41/12 = 3 5/12
b) (-6,4) · 5/8 = (- 32/5) · 5/8 = -4
c) (-2 5/6) : 3,4 = (- 17/6) + 17/5 = - 17/6 · 5/17 = - 1/6 · 5 = - 5/6
d) (-20+36) - (-42) : (- 7) = 16 + 42 : (- 7) = 16 - 6 = 10
e) 995
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Odpowiedź:
a) -2 1/3 - (-5 3/4) = - 7/3 + 5 3/4 = - 7/3 + 23/4 = 41/12 = 3 5/12
b) (-6,4) · 5/8 = (- 32/5) · 5/8 = -4
c) (-2 5/6) : 3,4 = (- 17/6) + 17/5 = - 17/6 · 5/17 = - 1/6 · 5 = - 5/6
d) (-20+36) - (-42) : (- 7) = 16 + 42 : (- 7) = 16 - 6 = 10
e) 995