计算能力提高练习题.docx

一、加、减法计算题练习844+9.32=199+39.8=8.01+60=8.14+55.1=897-72.7=75+5.05=48.1+21=6.65+10.8=72.9+108=30.6+0.812=28+9.11=797-33.8=71.6-3.16=98.3-3.27=9.79-0.605=89.8-5.84=830-5.4=8.25-0.332=54.8-4.30=78.3-46=995-775=985-807=136+471=345+427=622+190=437+270=683+181=903-786=581+4519=525-412=8736-675=461+433=833-732=961-600=718-608=18814=166+262=419+489=811796=230177=275+421=39546=48735=391+589=252+169=3696+266=4856213=2999