8/9 * 27/32 + 7/20 = 1,1
12(5/12 + 1/8) = 6,5
1 - 9/14 + 1/2 = 6/7
8/9 * 27/32 + 7/20 =
= 27/9 * 8/32 + 7/20 =
= 3 * 1/4 + 7/20 =
= 3/4 + 7/20 =
= 15/20 + 7/20 =
= 22/20 = 11/10 = 1,1
12(5/12 + 1/8) =
5 + 1,5 = 6,5
1 - 9/14 + 1/2 =
1 - 9/14 + 7/17 =
1 - 2/14 = 12/14 = 6/7
8/9 * 27/32 + 7/20 = 1,1
12(5/12 + 1/8) = 6,5
1 - 9/14 + 1/2 = 6/7
Пошаговое объяснение:8/9 * 27/32 + 7/20 =
= 27/9 * 8/32 + 7/20 =
= 3 * 1/4 + 7/20 =
= 3/4 + 7/20 =
= 15/20 + 7/20 =
= 22/20 = 11/10 = 1,1
12(5/12 + 1/8) =
5 + 1,5 = 6,5
1 - 9/14 + 1/2 =
1 - 9/14 + 7/17 =
1 - 2/14 = 12/14 = 6/7