二年级下册万以内加减法口算资料.doc

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二年级下册万以内加减法口算精品文档 520＋490＝ 620－570＝ 1170－280＝ 470＋580＝ 720－590＝ 580＋230＝ 598＋204＝ 357＋448＝ 250＋380＝ 1072－353＝ 560－390＝ 473＋218＝ 276＋361＝ 358＋587＝ 743－489＝ 180＋250＝ 530＋290＝ 950－570＝ 450－360＝ 280＋540＝ 854－180＝ 850－580＝ 350＋160＝ 840－560＝ 465－396＝ 602－314＝ 705－538＝ 523－239＝ 725－536＝ 505－356＝ 801－309≈ 202＋196≈ 508＋198≈ 1198-223≈ 959－357≈ 249＋123≈ 1390＋653≈ 999－303≈ 401＋189≈ 452＋349≈ 942－601≈ 392－182≈ 301＋288≈ 653－381≈ 552＋749≈ 520＋490＝ 620－570＝ 1170－280＝ 470＋580＝ 720－590＝ 580＋230＝ 598＋204＝ 357＋448＝ 250＋380＝ 1072－353＝ 560－390＝ 473＋218＝ 276＋361＝ 358＋587＝ 743－489＝ 180＋250＝ 530＋290＝ 950－570＝ 450－360＝ 280＋540＝ 854－180＝ 850－580＝ 350＋160＝ 840－560＝ 465－396＝ 602－314＝ 705－538＝ 523－239＝ 725－536＝ 505－356＝ 801－309≈ 202＋196≈ 508＋198≈ 1198-223≈ 959－357≈ 249＋123≈ 1390＋653≈ 999－303≈ 401＋189≈ 452＋349≈ 942－601≈ 392－182≈ 301＋288≈ 653－381≈ 552＋749≈ 520＋490＝ 620－570＝ 1170－280＝ 470＋580＝ 720－590＝ 580＋230＝ 598＋204＝ 357＋448＝ 250＋380＝ 1072－353＝ 560－390＝ 473＋218＝ 276＋361＝ 358＋587＝ 743－489＝ 180＋250＝ 530＋290＝ 950－570＝ 450－360＝ 280＋540＝ 854－180＝ 850－580＝ 350＋160＝ 840－560＝ 465－396＝ 602－314＝ 705－538＝ 523－239＝ 725－536＝ 505－356＝ 801－309≈ 202＋196≈ 508＋198≈ 1198-223≈ 959－357≈ 249＋123≈ 1390＋653≈ 999－303≈ 401＋189≈ 452＋349≈ 942－601≈ 392－182≈ 301＋288≈ 653－381≈ 552＋749≈ 580+250-470 650+590-580 = = = = 950－570+570 450－360+250 = = = = 224－130+640 350－180+647 = = = = 370＋160-280 350－160-190 = = = = 762-314+218 700-557+344 = = = = 503-239+247 712-536+524 = = = = 460+280-350 630+290-470 = = = = 980－570+490 450－360+580 = = = = 294－130+270 350－180+480 = = = = 370＋160-250 240－160+550 = = = = 666-354+254 700-538+256 = = = = 543-239+548 728-536+265 = = 580+250-470 650+590-580 = = = = 950－570+570 450－360+250 = = = = 224－130+640 350－180+647 = = = = 370＋160-280 350－160-190 = = = = 762-314+218 700-557+344 = = = = 503-239+247 712-536+524 = = = = 460+280-350 630+290-470 = = = = 980－570+490 450－360+580 = = = = 294－130+270 350－180+480 = = = = 370＋160-250 240－160+550 = = = = 666-354+254 700-538+256 = = = = 543-239+548 728-536+265 = = 580+250-470 650+590-580 = = = = 950－570+570 450－360+250 = = = = 224－130+640 350－180+647 = = = = 370＋160-280 350－160-190 = = = = 762-314+218 700-557+344 = = = = 503-239+247 712-536+524 = = = = 460+280-350 630+290-470 = = = = 980－570+490 450－360+580 = = = = 294－130+270 350－180+480 = = = = 370＋160-250 240－160+550 = = = = 666-354+254 700-538+256 = = = = 543-239+548 728-536+265 = = 收集于网络，如有侵权请联系管理员删除

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