(1)÷+×(2)÷[-(1-)](3)÷6+×(4)48×(++)(5)×4.6-1×3.6(6)4÷[(+0.75)×1.2]-2(7)(+)÷?(8)(-×75%)÷0.25(9)(-)÷(-)?(10)(100-9)×(-)(11)×(+)÷(12)62.5%×3+0.625×7+×6(13)×+÷(14)-+-?(15)[-(+)]×(16)(17×+×17)÷34(17)9-(3+0.4)?(18)7.8×+2.2×20%(19)34.7-+65.3-(20)(+-)×12(21)×[-(-)](22)+(-)×(23)×67+33× (24)÷[÷(+)](25)(12.5×8-40)÷0.6(26)+2++3(27)3.4×2.77+0.23×3.4(28)×4.6-1×3.6(29)4÷[(+0.75)×1.2]-2(30)÷[-(1-)](31)×-×+(32)(+)÷?(33)(-)÷(-)(34)(100-9)×(-)(35)÷--(36)[-(+)]×(37)(-+)÷(38)×(+)÷(39)62.5%×3+0.625×7+×6(40)×+÷(41)(17×+×17)÷34(42)(-×75%)÷0.25(43)÷6+×(44)48×(++)(45)÷[-(+)](46)9×(+)+(47)÷(÷+)(48)×÷÷(49)×13+×31(50)(+)×9×17(51)(+-)×480.25÷7+×+(53)÷(2-25%-)(54)÷4+×(55)÷[(+)×](56)÷9×÷(57)×+×(58)12÷(-)-20(59)(60)