Need help on my german homework can anyone help me?

Question

i need help on the math so here they are..

1.zehn mal funf

2.vierzig plus einundzwanzig

3.achtzig durch zwei

4.funfunddreibig minus elf

5.dreinundert durch zehn

6.sechs mal drei

7.neununddreibig durch drei

Answer 1

1. 10x5     #2.  40+21   #3.  80 divided by 2   #4. 35-11   #5. 300 divided by 10   #6. 6x3   #7. 39divided by 3