(1)52÷26×13=26, (2)50×25÷10=125,
(3)1000÷100+101=111, (4)54÷6×9=81,
(5)70÷35×0=0, (6)3232÷32-100=1,
(7)140÷1+140=280, (8)24×3÷24=3,
(9)100÷5÷5=4, (10)90-15+15=90,
(11)16×101=1616, (12)12-12÷3=8, 故答案为:26,125,111,81,0,1,280,3,4,90,1616,8.
(1)52÷26×13=26, (2)50×25÷10=125,
(3)1000÷100+101=111, (4)54÷6×9=81,
(5)70÷35×0=0, (6)3232÷32-100=1,
(7)140÷1+140=280, (8)24×3÷24=3,
(9)100÷5÷5=4, (10)90-15+15=90,
(11)16×101=1616, (12)12-12÷3=8, 故答案为:26,125,111,81,0,1,280,3,4,90,1616,8.