Oblicz wartość podanego wyrażenia. Wynik przedstaw w najprostszej postaci (skracanie ułamków) CHODZI O UŁAMKI a) (4×3/8+1/16)×2= b) 2×(3/5-1/7)+1/5 *c) 1 1/6×7-5/9×3 *d)(1 1/6×5-1/3)×5 Chce żeby odpowiedział/ła osoba która zna się na ułamkach ----

(4 * 3/8 + 1/16) * 2 = (12/8 + 1/16) * 2 = (24/16 + 1/160 * 2 = 25/16 * 2 = 50/16 = 3 i 2/16 = 3 i 1/8 2 * (3/5 - 1/7) + 1/5 = 2 * (21/35 - 5/35) + 1/5 = 2 * 16/35 + 1/5 = 32/35 + 1/5 = 32/35 + 7/35 = 39/35 = 1 i 4/35 1 i 1/6 * 7 - 5/9 * 3 = 7/6 * 7 - 19/9 = 49/6 - 19/9 = 147/18 - 38/18 = 109/18 = 6 i 1/18 (1 i 1/6 * 5 - 1/3 ) * 5 = (7/6 * 5 - 1/3) * 5 = (35/6 - 1/3) * 5 = (35/6 - 2/6) * 5 = 33/6 * 5 = 165/6 = 27 i 3/6 = 27 i 1/2

a) (4×3/8+1/16)×2= (12/8 + 1/16) * 2 = (24/16 + 1/16) * 2 = 25/16 * 2 = 25/8 = = 3  1/8 b) 2×(3/5-1/7)+1/5 = 2 * (21/35 - 5/35) + 1/5 = 2 * 16/35 + 1/5 = 32/35 + 7/35 = = 39/35 = 1 4/35 *c) 1 1/6×7-5/9×3 = 7/6 * 7 - 5/3 = 49/6 - 1 2/3 = 8 1/6 - 1 4/6 = 7 7/6 - 1 4/6 = = 6 3/6 = 6 1/2 *d) (1 1/6×5-1/3)×5 = (7/6 * 5 - 1/3) * 5 = (35/6 - 2/6) * 5 = 33/6 * 5 = 165/6 = = 27 3/6 = 27 1/2