2020-2021年人教版三年級(jí)數(shù)學(xué)上冊(cè)混合運(yùn)算(下載)

2020—2021年人教版三年級(jí)數(shù)學(xué)上冊(cè)混雜運(yùn)算（下載）一、口算1、直接寫(xiě)得數(shù)。217÷7＝360÷9＝16×9＝700＋60＝67－49＝42÷3＝880÷8＝505÷5＝2、估計(jì)．76×52≈54×49≈42×87≈25×33≈89×48≈99×95≈88×18≈85×12≈3、直接寫(xiě)出得數(shù)。1004108505106909035023230100750050200450921596004844、直接寫(xiě)得數(shù)。4005660312036060884445009500057883234359610325、直接寫(xiě)出得數(shù)．21×40=300×30=900×8=80×40=32×30=50×90=16×7=60×15=二、豎式計(jì)算1、用豎式計(jì)算，帶★的題要驗(yàn)算。39045608★636618092173★64281/52、列豎式計(jì)算．（帶★的要驗(yàn)算）★658+289=★708﹣356=485×9=305×4=630×5=3、豎式計(jì)算．55×48=35×27=38×64=62×45=46×23=54×16=4、用豎式計(jì)算。（帶※的驗(yàn)算）※599÷7＝860÷6＝※562÷7＝216÷2＝5、列豎式計(jì)算（帶★的算式要驗(yàn)算）。58×12＝21×34＝★857÷7＝★355÷9＝三、脫式計(jì)算1、脫式計(jì)算．14×6×1738×25÷5（232－198）×54320÷8×182、用脫式計(jì)算．(331-124)×3199-285÷5(78+69)÷7339÷3+1663、用遞等式計(jì)算。768465612742544、脫式計(jì)算。424－6×28624÷8×5（57＋79）÷45、脫式計(jì)算．8356905－2615125（80－8）（601-246）÷5四、看圖列式計(jì)算2/51、看圖列式計(jì)算。2、看圖列式。3、看圖回答以下問(wèn)題。4、看圖列式計(jì)算5、看圖列式計(jì)算．3/5參照答案一、口算1314014476018141101012400025003600900450095001800850351034060037360700100050105540012480220401002150010001080605058409000720032009604500112900二、豎式計(jì)算11560304010616207218022658+289=947708356=352485×9=4365305×4=1220630×5=3150355×48=264035×27=94538×64=243262×45=279046×23=105854×16=8644854143280210856967141223394三、脫式計(jì)算1142819018367202621142212794/53、32；96；8404、256；390；345、1680，515，