1. [(18 1/6)-(11 11/14)-(8/24)]/[0,146+0,004]= =[(18 1/6)-(11 11/14)-(8/24)]/[0,150]= =[(18 336/2016)-(11 1584/2016)-(672/2016)]/[0,150]= =(6 1/21)/(0,15)=40 20/63 ----------------------------- 2.[2,625-(2/3) x(2 5/14)]/[((3 1/12)+4,375):(19 8/9)]= =[2,625-(2/3) x(33/14)]/[((3 1/12)+(4 3/8)):(19 8/9)]= =[(2 5/8)-(1 4/7)]/[((3 2/24)+(4 9/24)):(19 8/9)]= =[(2 35/56)-(1 32/56)]/[(7 11/24):(19 8/9)]= =(1 3/56)/(3/8)=2 17/21 ------------------------------- 3.[((5 1/7)+(1/3)) x 7/23]/[(4,5-(1/3)):2,5]= =[((5 3/21)+(7/21)) x 7/23]/[((135/30)-(10/30)):2,5]= =[(5 10/21) x 7/23]/[(125/30):2,5]= =(1 2/3)/(1 2/3)=1 XD TROCHĘ czasu to mi zajęło , mam nadzieję ,że dobrze
(18 1/6 - 11 11/14 - 8/24) : (0,146 + 0.004) = (18 28/168 - 11 132/168 - 56/168) : 0,15 = (17 196/168 - 11 132/168 - 56/168) : 0,15 = 6 8/168 : 0,15 = 6 1/21 : 0,15 = 127/21 × 20/3 = 2540/63 = 40 20/63 (2,625 - 2/3 × 2 5/14) : [(3 1/12 + 4,375): 19 8/9] = (2,625 - 2/3 × 33/14) : [(3 1/12 + 4 3/8 ) : 19 8/9] = 2 5/8 - 1 4/7 : [( 3 2/24 + 4 9/24) : 19 8/9] = 2 35/56 - 1 32/56 : (7 11/24 : 19 89) = 1 3/56 : ( 179/24 : 9/179) = 1 3/56 : 3/8 = 59/3 × 8/3 = 472/9 = 52 4/9 [(5 1/7 + 1/3) × 7/23] : [(4,5 - 1/3): 2,5] = [( 5 3/21 + 7/21) × 7/23] : [(4 3/6 - 2/6) : 2,5 ] = (5 10/21 × 7/3) : (4 1/6 : 2,5) = (115/21 × 7/23) : (25/6 × 2/5) = 115/23 : 5/3 = 115/23 × 3/5 = 69/23 = 3 Pozdrawiam ;)
