四年级数学下册笔算题知识讲解.doc

《四年级数学下册笔算题知识讲解.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、__________________________________________________1.135×52.108×63.8×3124.7×2105.138×96.336÷217.858÷398.918÷279.888÷3710.645÷3211.82×40312.126×8913.203×3214.312×2515.437×2816.432÷4617.966÷2318.731÷7919.980÷2820.828÷3621.123×622.123×5623.812×2524.372×725.56×1126.325÷1227.157÷2528.673÷12

2、29.441÷2130.936÷631.608×2232.872×1233.545×4434.378×4535.25×1636.425÷2537.993÷1138.1363÷4739.361÷1940.1598÷941.568×942.307×4643.54×31244.47×21045.203×7____________________________________________________________________________________________________46.338×647.294÷2948.689÷3449.618÷88

3、50.372÷4551.17×2652.328÷4253.395÷5654.765÷7455.234×4656.613×4857.320×2558.444÷7659.4321÷4860.350÷3461.930÷3262.864÷3663.694÷1764.5981÷2665.609÷8766.9100÷24067.5070÷3968.7936÷2669.450÷2570.289÷4471.32000÷70072.32×24673.672÷4274.104÷2475.171÷3876.84÷5677.13×45078.67×9079.27231÷31380.152

4、÷481.25×2982.117÷2583.3842÷3484．276÷2385.365÷2486.464÷4187.19.95+132.47____________________________________________________________________________________________________88.45×3189.53041÷2690.117÷3691.91÷6592.6×27093.5931×394.320.82-43.1995.1536÷1296.700÷2597.306÷7598.56×73299.914×16

5、0100.248÷40101.252÷4102.136×15103.215×36104.325×65105.52×315106.180÷30107.720÷30108.360÷30109.920÷40110.780÷60111.57×158112.36×215113.321×19114.35×126115.235×12116.432÷24117.625÷23118.837÷43119.850÷17120.780÷26121.321×16122.332×24123.33×215124.125×6125.335×26126.960___________________

6、_________________________________________________________________________________÷40127898÷28128.420÷30129780÷20130.690÷30131.750÷50132.840÷60133.520÷40134、165×24135303×46136、.65×224137.256×31138.306×12139、260×15140、125×64141、125×36142、12.65+3.5=143、85.6-3.21=144、85.6-3.21=1.920÷232.3

7、25×403.480÷324.167×485.336×256.125×457.336×258.840÷249.704÷4410.672÷2111.112×5212.335×2413.173÷1714、754÷5815、897÷3916.125×6517.36×12518.116×5819.624÷2620.576÷1821、325÷6822.256÷8123.331×2524.125×3425.336÷2526.215×3427.205÷32______________________________________________________________

8、_____