Question

3 дм + 7 дм = , 30 + 70 = , 5 дм + 5 дм = , 50+50=

Answer 1

1) =10 дм=100
2) =100
3) =10 дм=100
4) =100

Answer 2

3дм+7дм=10дм
30+70=100
5дм+5дм=10дм
50+50=100

Answer 3

3 дм + 7 дм = 10 дм 30 + 70 = 100 5 дм + 5 дм = 10 дм 50 + 50 = 100