Oblicz:
40: 2 *5 -50*2 =
Dam naj za szybką odpowiedź
(-2⅖):(-10)+2¾=0,24+2,75=2,99
40: 2 *5 -50*2 =100-100=0
-⅓*()=-⅓*=-
(-2⅖) : (-10) + 2¾ = (- 12/5) : (- 50/5) + 2¾ = 12/50 + 2¾ = 48/200 + 2 i 150/200 = 2 i 198/200 = 2 i 99/100(-4/7) : (-1 i 5/7) = (-4/7) : (-12/7) = (-4/7) · (-7/12) = ⅓40 : 2 · 5 - 50 · 2 = 20 · 5 - 50 · 2 = 100 - 100 = 0-⅓ · (6/5 + 0,2) = -⅓ · (12/10 + 2/10) = (-⅓) · 14/10 = -14/30 = -7/15
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(-2⅖):(-10)+2¾=0,24+2,75=2,99
40: 2 *5 -50*2 =100-100=0
-⅓*()=-⅓*=-
(-2⅖) : (-10) + 2¾ = (- 12/5) : (- 50/5) + 2¾ = 12/50 + 2¾ = 48/200 + 2 i 150/200 = 2 i 198/200 = 2 i 99/100
(-4/7) : (-1 i 5/7) = (-4/7) : (-12/7) = (-4/7) · (-7/12) = ⅓
40 : 2 · 5 - 50 · 2 = 20 · 5 - 50 · 2 = 100 - 100 = 0
-⅓ · (6/5 + 0,2) = -⅓ · (12/10 + 2/10) = (-⅓) · 14/10 = -14/30 = -7/15