CFA - 2 digit subtraction and addition
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Last updated almost 3 years ago
7 questions
1
25+26=
25+26=
1
1
1
Chen counts 47 buttons. Then he counts 20 more buttons. How many buttons in all?
Chen counts 47 buttons. Then he counts 20 more buttons. How many buttons in all?
1
____=51-13
____=51-13
1
______=76+18
______=76+18
1
537+234=
537+234=