1) Do the following operations. (escríbelo con
letra)
twenty
+ thirty = fifty
1 seven + seven – six =___________________
2 eighty-three + seventeen = ______________
3 sixty + five + fifteen = __________________
4 ninety - seventy = ______________________
5 eighteen + eighteen - fifteen
= ___________
6 one hundred – twenty-three = ____________
7 fifty-two – thirty-three = _________________
8 two + fourteen + thirty-two = _____________
9 eighty-eight + three = ___________________
10 forty
+fifty-nine = _____________________
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