精选优质文档-倾情为你奉上六年级上册数学口算题500道六(3)班 张兆轩45+156= 135 2.25058=400 3.6524=60 4.303+8=98 5.4004+205= 200 6.10+123+20=34 7.(8020+80)4=21 8.70+(100-105)=120 9.36040= 9 10.4020= 800 11.80-25= 55 12.70+45=115 13.902= 180 14.166= 96 15.3006= 1800 16.5409=60 17.3020= 600 18.4004= 100 19.350-80= 270 20.160+70=230 21.18-648= 10 22.426+20=27 23.40-57= 5 24.80+603=100 25.41+182= 50 26.75-115= 20 27.42+7-29= 20 28.560080=70 29.2516= 400 30.12025= 3000 31.3611= 396 32.102