4 ones and 3 tens, 34, 43, 5 tens and 11 ones, 61, 51, 5+40, 45, 95, 3+50, 50+3, 35, 53, 87+10, 97, 77, 45+____=75, 44, 30, 24+30, 54, 45, 60-20, 80, 30, Which one is greater, 41, 29, Which one is greater, 75, 77, 67______81, >, <, 31_____31, <, >, =.

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