Postupně doplňuj sčítance a součty.

80 + 20 =	60 + = 100	+ 0 = 90	70 + 20 =
90 + = 100	80 + 10 =	30 + = 100	+ 60 = 70
40 + = 80	50 + = 100	30 + 50 =	40 + 50 =
+ 20 = 70	+ 20 = 90	20 + = 60	30 + = 90
0 + 100 =	10 + 90 =	+ 20 = 80	40 + = 40