Rozwiązanie w załączniku.. ;]
1) (⅜ +⅓):(³/₄ + 0,5) = (9/24+8/24):(3/4+1/2) = 17/24:(3/4+2/4) = 17/24:5/4 = 17/24 x 4/5 = 17/30 2)(2³/₄+0,5):(7,2 - ⅓) = (2 3/4 +1/2):(7 1/5 - 1/3) = (2 3/4 + 2/4):(7 3/15 - 5/15) = 3 1/4 : 6 13/15 = 13/4 : 103/15 = 13/4 x 15/103 = 195/412 3)(⅓ × ⁶/₅ - ⁶/₅):⅓ = (2/5 - 6/5):1/3 = (-4/5) x 3 = -12/5 = -2 2/5 4) ½ - ½(4¾-¾) = 1/2-1/2 x 4 = 1/2-2 = -1 1/2 5)1¾+2⅓-1⅙ = 1 18/24 + 2 8/24 - 1 4/24 = 2 22/24 = 2 11/12 6)¹/₁₂-⅙+⁵/₁₈ = 3/36 - 6/36 + 10/36 = 7/36 7)1⅓-2⅔-(3⅙-2⅚) = -1 1/3 - 2/6 = -1 2/6-2/6 = -1 4/6 = -1 2/3 8)⅖×⅚×¾ = 1/4 9)1½×2⅓×¹/₇ = 3/2 x 7/3 x 1/7 = 1/2 10)5½:2⅓ = 11/2:7/3 = 11/2 x 3/7 = 33/14 = 2 5/14 11) (2½+5¹/₄):62 = (2 2/4+5 1/4) : 62 = 7 3/4 :62 = 31/4 x 1/62 = 1/8
1) (⅜ +⅓):(³/₄ + 0,5)=(9/24+8/24):(3/4+ 2/4)= (17/24):(5/4)=(17/24)*(4/5)=17/30 2)(2³/₄+0,5):(7,2 - ⅓)= (11/4+2/4):(36/5-1/3)=(11/4+2/4):(108/15- 5/15)= (13/4):(103/15)=(13/4):(15/103)=195/412 3)(⅓ × ⁶/₅ - ⁶/₅):⅓=(2/5-6/5):1/3=(-3/5):(1/3)=(-3/5)*3=-9/5=-1,8 4) ½ - ½(4¾-¾)=½-½*4=½-2=-1,5 5)1¾+2⅓-1⅙=7/4+7/3-7/6=21/12+28/12-14/12=21/12-15/12= 35/12 = 2 11/12 6)¹/₁₂-⅙+⁵/₁₈= ¹/₁₂-2/12+5/18=3/36-6/36+10/36= -13/16 7)1⅓-2⅔-(3⅙-2⅚)= 4/3-8/3-(19/6-17/6)=-4/3-2/6=-8/6-2/6= -10/6 = - 5/3 8)⅖×⅚×¾ = 0,25 9)1½×2⅓×¹/₇=3/2*7/3*1/7=7/2*1/7=0,5 10)5½:2⅓=11/2:7/3=11/2*3/7=33/14=2 5/14 11) (2½+5¹/₄):62= (5/2+21/4):62= (10/4+21/4):62=(31/4):62= (31/4) * 1/62= 1/8
