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1、四年级下册数学简便运算练习题三篇四年级下册数学简便运算练习题三篇篇一3999+498 1883398 1225 7524138254(13125)(38)(12+24+80)502532125 32(25+125)88125 10276178101178 8436+6484 7599+27598199 123181233+85123 50(344)32524+16 17899+178 7942+79+79577300254 8100475 158+262+138篇二720165 63042 4562563610235 9842 158+262+138 375+219+381+225500124
2、71021232 181+2564+2719 378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999 7755(2187+755)2214+638+28630657381065 899+344 235718331735723651086214 497299 2370+1995篇三26396126 3569569 9955557810178 5276477676 134561344513448522448 2523404 999999199918498 695202 864199 738301380476120 569468432131 704251 1/2 225614753 37312929 189897428425 1253225 9721252 2/2 2