简便计算题强化训练.docVIP

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简便方法计算强化训练题 158+262+138 = = = = 375+219+381+225 = = = = (181+2564)+2719 = = = = 378+44+114+242+222 = = = = 276+228+353+219 = = = = (375+1034)+(966+125) = = = = (2130+783+270)+1017 = = = = 2214+638+286 = = = = 99+999+9999+99999 = = = = 899+344 = = = = 89+101+111 = = = = 3999+498 = = = = 278+463+22+37 = = = = 732+580+268 = = = = 1034+780320+102 = = = = (181+2564)+2719 = = = = 425+14+186 = = = = 368+2649+1351 = = = = 24+127+476+573 = = = = 999+999+999(两法) = = = = (78+61)+39 = = = = 3000-999 = = = = 400-273-127 = = = = 442-103-142 = = = = 901-99 = = = = 5001-247-1021-232 = = = = 7755-(2187+755) = = = = 3065-738-1065 = = = = 497-299 = = = = 2357-183-317-357 = = = = 2365-1086-214 = = = = 1883-398 = = = = 2356-(1356-721) = = = = 1235-(1780-1665) = = = = 273-73-27 = = = = 2100-728-772 = = = = 847-527-273 = = = = 1200-624-76 = = = = 455-(155+230) = = = = 214-(86+14) = = = = 787-(87-29) = = = = 365-(65+118) = = = = 576-285+85 = = = = 825-657+57 = = = = 690-177+77 = = = = 968-599 = = = = 363-199 = = = = 442-103-142 = = = = 400-273-127 = = = = 2356-(1356-721) = = = = 327+(96-127) = = = = 700-82-18 = = = = 327+(96-127) = = = = 374-205+226-95 = = = = (78+61)+39 = = = = 374-205+226-95 = = = = 1235-(1780-1665) = = = = 12×25 = = = = 88×125(两法) = = = = 75×24 = = = = 138×25×4 = = = = (13×125)×(3×8) = = = = 25×32×125 = = = = 50×(34×4)×3 = = = = 125×32×8 = = = = 72×125 = = = = 72×125 = = = = 25×(78×4) = = = = 67×5×2 = = = = 125×64 = = = = 125×25×8×4 = = = = 25×(78×4) = = = = 67×5×2 = = = = 25×36(两法) = = = = 99+49×99 = = = = 75×102 = = = = 901×999 = = = = 354×99+354 = = = = 72×98 = = = = 62×4+44×5+5×18 = = = = 454+999×999+545 = = = = (12+24+80)×50 = = = = 32×(25+125) = = = = 84×36+64×84 = = = = 102×76 = = = = 58×98 = = = = 178×101-178 = = = = 79×42+79+79×57 = = = = 75×99+2×75 = = = = 83×102-83×2 = = = = 98×199 = = = = 178×99+178 = = = = 25×(24+16) = = = = 4×(25×65+25×28) = = = = 75×27+19×25 = = = = 99×64 = = = = 84×101 = = = = (300+6)×12 = = = = 25×(4+8)

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