1+(-2)+|-2-3|-5 (1/4-1/16-1/6+1/12)x(-48) 这两题

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1+(-2)+|-2-3|-5 (1/4-1/16-1/6+1/12)x(-48) 这两题
1+(-2)+|-2-3|-5 (1/4-1/16-1/6+1/12)x(-48) 这两题
 

1+(-2)+|-2-3|-5 (1/4-1/16-1/6+1/12)x(-48) 这两题
 

1 2 3 4 5 1 2 1+1+2+2+3+4+5 (-2/3)+1/2+4/5+(-1/2)+(-1/3) 1+1 2+2 3+3 4+4 5+5 1,2,3,4,5 1,2,3,4,5, 1 2 3 4 5 1,2,3,4,5 1,2,3,4,5, 1 2 3 4 5 1,2,3,4,5, .1,2,3,4,5, 1,2,3,4,5, 1,2,3,4,5, 1 2 3 4 5 1、2、3、4、5 1,2,3,4,5, 3,4,5,1,2