Question

ПОМАГИТЕ ЧЕРЕЗ 1 ЧАС В ШКОЛУ!
8 1/8 дм - 2 1/4 дм=


9ч - 5 1/4 ч =



20 3/8 - (6 - 2 1/6)=



11 7/10 - 5 7/30 - 3 4/15=

Answer 1

6 1/4 дм

3 3/4 ч

20 3/8 - (6 - 2 1/6) = 20 3/8 - 3 5/6 = 20 9/24 - 3 20/24 = 19 33/24 - 3 20/24 = 16 13/24

11 7/10 - 5 7/30 - 3 4/15 = 11 21/30 - 5 7/30 - 3 8/30 = 6 14/30 - 3 8/30 = 3 6/30 = 3 2/10