Устный счёт

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
7200-72=
37506-=37000
320:16=
5400:900=
5400:300=
380+5*(440-360)=
(428-56:7):10=