1) 76-24 a) 50 b) 42 c) 52 2) 27+ ______ =100 a) 73 b) 37 c) 53 3) 46+ _____ =100 a) 44 b) 54 c) 64 4) 82-40= a) 42 b) 24 c) 40 5) 61-30 a) 30 b) 31 c) 32 6) 93-60 a) 23 b) 30 c) 33 7) 60-30 a) 30 b) 40 c) 50 8) 65-31= a) 24 b) 34 c) 43 9) 72-49= a) 23 b) 30 c) 33 10) 73-25= a) 58 b) 28 c) 48 11) 89-35= a) 54 b) 44 c) 45 12) 56-37= a) 18 b) 19 c) 25 13) 37-4= a) 37 b) 30 c) 33 14) 80-40 a) 30 b) 50 c) 40 15) There were 67 books on the book shelf. Ms.Wang took 13 away in the morning. Ms.Zhang took 26 away after lunch. How many books left? a) 28 b) 29 c) 27

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