1) 1+5-6+2_ a) 5 b) 6 c) 2 d) none of the above 2) the sum of _and_ is 69 a) 30+9 b) 15+30+14+1+3+4 c) 30+13+15+5+78-46 d) none of the above 3) 1+4+7+8-3 _ a) 19 b) 55 c) 35 d) none of the above

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