1、四年级数学下册简便计算专项练习题大全118981626298125(86)1414796018282942762718100125(8+4)119100111948999481625651323265125(84)27274910012424798321831299925(32+4)14710011474899488125431505043125(82)65657950170702992719260100125(16+4)2371001237779997732125461929246125(88)1818191015555692831286999925(24+4)318101318509995
2、06425661383866125(82)6666495019696588042805999925(32+4)1601001160769765625171575717125(810)3232697013939586342636699925(8+4)36211362349341625251919125125(86)484879901858580502050469925(4+4)381101381119991124125501909050125(88)64646910019999549746973310125(16+4)5401154083998364125971242497125(86)2626
3、595013636124288425099925(32+4)2361012362192132125261292926125(82)16166990113138253185354100125(32+4)41511415969968025661666666125(810)343469401606095225222699925(40+4)287101287479472425501272750125(84)818179101313181841984469925(36+4)5811015811499144025581666658125(82)93938930189898749134967100125(8
4、+4)51511515299992932125421525242125(810)8282392013737337867782799925(4+4)147101147179991748125691666669125(810)36365920132322092809286100125(8+4)5311001531719997148125241515124125(86)6464892015959284772478399925(24+4)30310130359999598125881464688125(84)88882930119191461866175100125(40+4)597100159773997316125971454597125(82)202029201424271322932349925(20+4)11810011183399335625481595948125(84)23232920176769549549659925(28+4)15411154419414825781606078125(88)14149910141419357757289925(12+4)216101216739734025