27. 7/8 of 72
32. 9.5+1.3=1.3+what property?
33. 1.9+(5.3+2.7)=(what property+5.3)+2.7
39. which number is composite? 47,31,53,81,41
46. suppose you have 30 muffins. how many muffins are left after you give a friend 1/6 of them?

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