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1、苏教版四年级数学下册第七单元运算律计算题专项练习二35× 98360÷ 7299× 1344× 78× 501000875 125250× 49× 4104× 2564× 125× 2550× (4+25)135× 6+65× 645× 25+55× 25538× 9 138× 925× 17×4125× 3× 8102× 4547× 12828× 4725
2、0× 6× 4140÷ 3536× 5+64× 599× 99+9937× 87+37 ×138× (125+25)102× 36420× 99280÷ 56118×23+118× 17125× 20× 8× 5125× 2×425× (4× 7)× 9999× 999+999101× 4241× 99256× 7 7×5615
3、× 125×8765+9848× 101 481700÷ 4÷25560÷ 1644× 25201× 35201× 3427× 37+37 ×23317× 1717× 1718× 45+18× 4512× (405)250× 3236× 2523× 134 34× 23140× 99304+297111× 63+777× 91(34+56) × 8226&#
4、215; 13 13× 2672÷ (9÷7)125× 2463× 25× 22006× 1781006× 17825× 199+2599× 62+6234× 19+34 ×22 3481÷ 7 18÷ 71999+999× 999999+5× 999+6125×198÷（18÷8）999+5× 999+699× 7833× 669992×999999× 778 333× 666