Odpowiedź :
Szczegółowe wyjaśnienie:
1 ¼ + 2 ⁸/3 = 1 ³/12 + 2 ³²/12 = 3 ³⁵/12 = 5 ¹¹/12
3/5 - 4/2 = 6/10 - 20/10 = - 14/10 = - 1 4/10 = - 1 2/5
8/15 * 3/3 = 8/15 * 1 = 8/15
9/8 : 4/1 = 9/8*1/4 = 9/32
1 9/8 : 5 = 17/8*1/5 = 17/40
Szczegółowe wyjaśnienie:
1 ¼ + 2 ⁸/3 = 1 ³/12 + 2 ³²/12 = 3 ³⁵/12 = 5 ¹¹/12
3/5 - 4/2 = 6/10 - 20/10 = - 14/10 = - 1 4/10 = - 1 2/5
8/15 * 3/3 = 8/15 * 1 = 8/15
9/8 : 4/1 = 9/8*1/4 = 9/32
1 9/8 : 5 = 17/8*1/5 = 17/40