a) -7⅙ + 1¾ =b) 6⅞ - 2⁷/₁₂ = c) 1⁹/₁₀ - 3¼ =d) 3³/₄ - 1³/₅ = z gory dziekuje :)
d) 3 3/4-1 3/5=15/4-8/5=75/20-32/20=43/20=2 3/20
c) 1 9/10-3 1/4= 19/10-13/4=76/40-130/40= -54/40= -1 14/40= -1 7/20
b) 6 7/8-2 7/12=55/8-31/12=660/96-248/96=412/96=4 28/96=4 14/48= 4 7/24
a) -7 1/6+1 3/4= -43/6+7/4= -86/12+21/12= -65/12= -5 5/12
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d) 3 3/4-1 3/5=15/4-8/5=75/20-32/20=43/20=2 3/20
c) 1 9/10-3 1/4= 19/10-13/4=76/40-130/40= -54/40= -1 14/40= -1 7/20
b) 6 7/8-2 7/12=55/8-31/12=660/96-248/96=412/96=4 28/96=4 14/48= 4 7/24
a) -7 1/6+1 3/4= -43/6+7/4= -86/12+21/12= -65/12= -5 5/12