沪教版小学数学三年级第一学期3A 计算题巧算练习(附答案)

沪教版小学数学三年级第一学期3A计算题巧算练习(附答案)本文为《沪教版三年级第一学期3A数学100道计算题巧算（附答案）》。本文共提供45道数学计算题目，题目的类型包括加减乘除，难度适中，适合三年级学生练习。题目如下：1.264+159+4722.892-537+46933.763-386-36344.72-70÷7-295.900-473-2276.406+369+947.683+258-3838.359+432-1899.81-81÷910.460+177-17711.698-245-15512.456+299+8113.542-128-27214.853+109-85315.63×7+54016.550+45×917.838-(138+275)18.96×4+8019.120+800÷1020.99×821.57×8-40622.208+342+29223.803-589+11124.235+178+16525.605×3+726.45×9-33527.1000-487-51328.8×37+46029.289+578-18930.329+332+17131.836+529-43632.207×8-98733.123+377×234.1948+539-43635.406×7-66936.438+279+36237.726+274×338.4176÷3÷239.1912×3÷440.5614-(3000+614)41.6024÷3÷442.2800×5÷443.1089-(400+311)44.328+16×245.(100-36)÷4以上是本文提供的45道数学计算题目，希望能够帮助到需要练习数学计算的三年级学生。1.264+159+472=895892-537+469=824763-386-363=14423+47=470355+469=824763-363-386=14400-386=142.删除明显有问题的段落3.72-70÷7-295=-262900-473-227=-400406+369+94=86972-10-29=334.683+258-383=5585.删除明显有问题的段落6.460+177-177=4607.542-128-272=1428.550+45×9=9559.删除明显有问题的段落10.120+800÷10=20011.删除明显有问题的段落12.359+432-189=60213.698-245-155=29814.853+109-853=10915.删除明显有问题的段落16.838-138-275=42517.99×8=79218.删除明显有问题的段落19.25×(26×4)=260020.6×(15×9)=81021.43+78+122+257=500406+94+369=869Inthiscalculation,wesimplyaddthethreenumberstogethertogetatotalof869.81-81÷9=72Tosolvethisproblem,wefirstdivide81by9toget9.Thenwesubtract9from81toget72.456+299+81=836Weaddthethreenumberstogethertogetatotalof836.63×7+540=981Wemultiply63by7toget441.Thenweadd540togetatotalof981.96×4＋80=464Wemultiply96by4toget384.Thenweadd80togetatotalof464.57×8-406=50Wemultiply57by8toget456.Thenwesubtract406togetatotalof50.208+342+292=842Weaddthethreenumberstogethertogetatotalof842.803-589+111=325Wesubtract589from803toget214.Thenweadd111togetatotalof325.235+178+165=578Weaddthethreenumberstogethertogetatotalof578.605×3+726=1815Wemultiply605by3toget1815.Thenweadd726togetatotalof2541.45×9-335=70Wemultiply45by9toget405.Thenwesubtract335togetatotalof70.1000-487-513=0Wesubtract487from1000toget513.Thenwesubtract513from513togetatotalof0.8×37＋460=756Wemultiply8by37toget296.Thenweadd460togetatotalof756.836+529-436=929Weadd836and529toget1365.Thenwesubtract436togetatotalof929.1948+539-436=2051Weadd1948and539toget2487.Thenwesubtract436togetatotalof2051.726+274×3=1548Wemultiply274by3toget822.Thenweadd726togetatotalof1548.5614-3000-614=2000Wesubtract3000from5614toget2614.Thenwesubtract614togetatotalof2000.289+578-189=678Weadd289and578toget867.Thenwesubtract189togetatotalof678.207×8-987=669Wemultiply207by8toget1656.Thenwesubtract987togetatotalof669.406×7-669=2173Wemultiply406by7toget2842.Thenwesubtract669togetatotalof2173.4176÷3÷2=696Wedivide4176by3toget1392.Thenwedivide1392by2togetatotalof696.1912×3÷4=1434Wemultiply1912by3toget5736.Thenwedivide5736by4togetatotalof1434.2800×5÷4=3500Wemultiply2800by5toget14000.Thenwedivide14000by4togetatotalof3500.(100-36)÷4=16Wesubtract36from100toget64.Thenwedivide64by4togetatotalof16.46、计算：718-75×347、（187-24）×548、2335-74×8=718-26075、(163×548)、2335-592=-25357、89124、174349、计算：275×6÷350、5×（399-214）、（582+6467）÷7=1.5、925、82152、计算：424×3×2=254455、计算：78×3÷9=2658、计算：256×7×5=896061、计算：328+172×6=136064、计算：2762-（762-78）=207867、计算：451+549÷3=63453、计算：291×4×5=582056、计算：1005÷5÷3=6759、计算：3645÷3÷5=24362、计算：516-123+77=47065、计算：6×25+75×6=60068、计算：34+306×2=64654、计算：555×7×4=1554057、计算：996÷6×2=33260、计算：150×4÷10=6063、计算：347×4-192=119666、计算：37×100-37=366369、计算：720÷8-80=1070、计算：1865-468-332、4×38-1272、3689+498-689=1065、-1232、349873、计算：169＋584+731、74、345+255÷5、76、257×4÷2=1484、300、51476、计算：256+389+211+344、77、567×2×578、369×2÷3=1200、656292、246=500Rewritten:1.Simplifyingtheequation:(256+344)+(389+211)=(600)+(5670)=(246)2.Solvingtheequation:(258+493-5880)+(45x9+55x981)+(198-98x2)=(200+493)+(100x9)+(2)=(693)+(900)+(2)3.Simplifyingtheequation:(741-159)÷683=(582÷6)=(9-5)=(212+282)4.Simplifyingtheequation:(763-84-16386)+(468+28+3287)+(405÷9x3)=(600-84)+(500+28)+(405÷3)=(516)+(528)+(135)5.Simplifyingtheequation:(456-178-25689)+(345+456+15590)+((321-39)÷6)=(200-178)+(500+456)+(47)=(22)+(956)6.Simplifyingtheequation:(175-75÷2592)+(68+35x1393)+(725-(125+237))=(172)+(523)+(600-237)=(363)7.Simplifyingtheequation:(114+166)÷3595+(432÷(9x8))+(189-60+40)=(280÷35)+(43