323+160÷40-142 455-144÷18+156 981÷(54-9×5) 95÷(64-45)+67 178-145÷5×6 36×4÷18+235 104×(14+208÷26) 321+(327-23)÷19 439-513÷(378÷14) 112-3094÷17÷13 81+(253-22)÷21 656+20×28-542 (203+23)×24-597 544-275÷(275÷25) 754+16×15-532 (760+13)÷(17-10) [424-475÷19]×19 124-(34+100÷10) (346-10)÷16×12 19+192÷12-10= (714-12)÷27+179 736÷(43-20)×23 828÷23×42-348 (1369-37)÷37-132 ( 985-728÷26)×15 250+160÷40-123 45×2-4160÷52 178-145÷5×6+42 9405-2940÷28×201 (210-10)÷50-40 645-424+114×20 (170+310)÷(65-60) 120÷12×107-254 (109-100÷10)×19 (153-588÷21)×43 278+(233-43)÷10 100÷10×150-269 4 22+[(374-10)÷26] (245-11)÷18+232 (252-14)÷17-10 ( 35-13+10)×15 215-198÷(121÷11) (45-651÷21)×33 572÷[22×23-408 ] 2 19+[156-170÷34] [14+(21-19)]×14 [238-(13+15)]÷30 (227+11)÷(31-14) 236+(19×44-223 ) 318-155+10×18 (131-154÷11)×12 160÷(22-12)×17 357÷21×13-197 (438-39)÷21+102 (20+18)×101-239 (58+370)÷(64-45) 120-144÷18+535 58+37)÷(64-9×5) 234+ 95÷(64-45) 680-64×21÷28 700÷(15+31×11) 920-1680÷40÷7 690+47×52-233 ( 本文来源:https://www.wddqw.com/doc/c5e04f5a2af90242a995e563.html