2023-12-142023-12-14Mathematics, Mathshttps://dsstorage-hbmsu.com/handle/123456789/1948Topic B : Counting On or Taking from Ten to Solve Result Unknown and Total Unknown ProblemspdfSubtraction, Difference, Module 1513.2 G1M2 L1 2015QA115 .G1M2 L19 2015Lesson 19 Compare efficiency of counting on and taking from tenText