84÷[(8+6)×2] 42×[169-(78+35)] 72÷[960÷(245-165)] 540÷[(3+6)×2] 180÷[36÷(12+6)] 450÷[(15+10)×3] [64-(87-42)]×15 2400÷[1200÷(600÷15)] 900÷[2×(320-290)] [492-(238+192)]×26 [196+(84-12)]×5 720÷[(187+18)÷41] 14×[(845-245)÷12] [668-(132+245)]÷9 12×[(76+57)÷19] 768÷[8×(76-68)] 130×[(600-235)÷7] 14×[(860-260)÷15] 840÷[15×(32-28)] 909-[36×(350÷14)] 963÷[732-(496+227)] 17×[586-(863-365)] 863×[183-(521-338)] 342÷[(2268÷6)÷21] 87×[386-(238+79)] 2070÷[(1804-274)÷17] 72÷[960÷(245-165)] 490÷[210÷(750÷25)] 540÷[(3+6)×2] 180÷[36÷(12+6)] 84÷[(8+6)×2] 42×[169-(78+35)] [175-(49+26)]×23 [64-(87-42)]×15 450÷[(15+10)×3] 756÷[4×(56-35)] 2400÷[1200÷(600÷15)] 900÷[2×(320-290)] [196+(84-12)]×5| 12×[(76+57)÷19] [492-(238+192)]×26 720÷[(187+18)÷41] 480÷[4×(50-40)] 14×[(845-245)÷12] [668-(132+245)]÷97 14×[(860-260)÷15] 768÷[8×(76-68)] 130×[(600-235)÷73 [203-(25+75)]×16 840÷[15×(32-28)] 380÷[240÷(36÷3)] 115-(15+20)×3 909-[36×(350÷14)] 640÷[140÷(630÷9)] [368-(132+129)]×34 490÷[210÷(360÷12)] 72÷[2×(105-87)] 480÷[ (50+10)×2] 72÷[960÷(245-165)] [175-(49+26)]×23