三年级计算题大全800题-三年级约算题大全.doc

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1、1.640÷80=2.15×5=3.23×3=4.12×2×5=5.480÷80=6.16×5=7.27×3=8.90÷15=9.48÷4=10.640÷16=11.39÷3=12.24×20=13.32×3=14.48÷16=15.12×8=16.27×3=17.56÷14=18.24÷8=19.14×2=20.83－45=21.560÷80=22.96÷24=23.40÷20=24.40×30=25.37＋26=26.76－39=27.605＋59=28.30×23=29.12×8=30.27＋32=

2、31.48＋27=32.4500×20=33.73＋15=34.120×600=35.200×360=36.6800×400=37.280＋270=38.4×2500=39.6000÷40=40.5×1280=41.310－70=42.400×14=43.470＋180=44.1000÷25=45.160×600=46.20×420=47.290×300=48.8100÷300=49.7600÷200=50.7600÷400=51.680＋270=52.980÷14=53.4200÷30=54.6×130

3、0=55.1300×50=56.200×48=57.930－660=58.530＋280=59.9200÷400=60.840÷21=61.180×500=62.8000÷500=63.1900÷20=64.200×160=65.8700÷300=66.300×330=67.3×1400=68.7000÷14=69.600÷12=70.9600÷80=71.140×300=72.8800÷40=73.9600÷800=74.750－290=75.5×490=76.760×20=77.7500÷500=78

4、.370×200=79.650÷13=80.8600－4200=81.240×4=82.640÷80=83.15×10=84.12×11=85.160×30=86.220×40=87.104×5=88.4500÷50=89.120×2=90.90÷30=91.270÷30=92.270×30=93.84÷21=94.76÷9=95.66÷7=96.100－54=97.123＋15=98.360÷4=99.55÷5=100.32×6=101.200÷40＝102.180÷30=103.240÷40=104.

5、35×2=105.140×7=106.13×6=107.280×3=108.350×2=109.50×11=110.250×6=111.7200+900=112.410-201=113.125×8=114.48×20=115.6600÷600=116.390+140=117.11×80=118.24×50=119.3600÷400=120.530－70=121.420－90=122.9600÷30=123.7×700=124.203+98=125.5600÷700=126.4800÷12=127.3500

6、÷7=128.370＋560=129.520＋490＝130.450－90＝131.80＋330＝132.70×700＝133.7000÷70＝134.4000÷80＝135.2400÷200＝136.420－90＝137.170＋320＝138.520－260＝139.910－190＝140.35×200＝141.22×200＝142.8800÷400＝143.9300÷300＝144.6×300＝145.1800÷200＝146.9300÷30＝147.280÷40＝148.304＋199＝149.3

7、90÷26＝150.1250÷50＝151.21×40＝152.6600÷220＝153.760－198＝154.660－220＝155.5000÷50＝156.100×91＝157.753－299＝158.15×5=159.23×3=160.12×2×5=161.480÷80=162.16×5=163.27×3=164.90÷15=165.48÷4=166.640÷16=167.39÷3=168.24×20=169.32×3=170.48÷16=171.12×8=172.27×3=173.56÷14=1

8、74.24÷8=175.14×2=176.83－45=177.560÷80=178.96÷24=179.40÷20=180.40×30=181.37＋26=182.76－39=183.605＋59=184.30×23=185.12×8=186.27＋32=187.48＋27=188.4500×20=189.73＋15=190.120×600=191.200×360=192.6800×400=193.280＋270=194.4×