整百、整千数加减法习题精选(共2页).doc

精选优质文档-倾情为你奉上整百整千习题精选一、口算练习0 + 330 =510 + 230 =20 + 780 =290 + 290 =130 + 600 =350 + 50 =740 - 40 =20 + 430 =950 - 60 =850 - 70 =220 + 510 =10 + 160 =300 + 370 =180 + 600 =370 + 320 =460 + 500 =790 - 290 =580 + 260 =750 + 0 =10 + 700 =210 + 220 =640 + 360 =510 - 0 =400 + 420 =660 + 90 =850 - 0 =550 - 240 =510 - 230 =210 + 650 =780 - 540 =470 + 200 =320 + 210 =800 - 470 =130 + 600 =720 - 590 =570 - 10 =880 + 50 =8