(1 × - (2).× + (3).12× – ×3
(4) 8× + (5.) 6÷ – ÷6 (6) × + ×
(7) -( + ) (8) + ( + ) (9) 9 × +
(10) × - (11) 7 × + (12) 8 × + 8 ×
(13) × + × (14) + ÷ (15) + ÷
(16).50+160÷40 (17)(58+360)÷(64-45)
(18)120-144÷18+35 (19)(58+37)÷(64-9×5)
(20)178-145÷5×6+42 (21)(6.8-6.8×0.55)÷8.5
(22) 0.12× 4.8÷0.12×4.8 (23)(3.2×1.5+2.5)÷1.6
(24)1994 (25)【 0·51 (1·2-1·03)+2·4】 54
32×40+450÷18 34 + 2917 + 14 + 3817 17.8-5.12÷45-3.6
118÷(14 + 2.5×45 ) (3618÷18-145)×20 8.1÷(9-6.3×1.4)
(425-10.5×45 )÷234 16.8-45÷0.9×0.16
73÷[(7615-185)×711] [5.1-(2.4+3.5÷73)]×54
283÷[(1.4 + 15)×74-1.05] (2-34×45 )÷(112 + 415)
(0.4+23)÷(56-0.75)×0.5 76 ×[(114 + 37)÷ 79 - 12]