人教版五年級(jí)數(shù)學(xué)上冊(cè)用豎式計(jì)算練習(xí)題

-.z.一、列豎式計(jì)算0.86×7=3.3×16=12.8×42=0.19×40=6.7×0.3=2.4×6.2=5.7×1.07=0.45×0.6=0.56×0.04=3.7×4.6=0.29×0.07=0.056×0.15=1.8×23=0.37×0.14=1.06×25=0.082×0.14=0.18×8.45=4.5×0.002=0.72×0.15=3.7×200=72÷15=14.21÷7=86÷16=1.26÷28=0.416÷32=6.6÷4=43.5÷29=18.9÷27=37.5÷6=28.6÷11=20.4÷24=3.64÷52=15.6÷12=328÷16=2.19÷0.3=5.58÷3.1=0.84÷0.35=51.3÷0.27=25.6÷0.032=5.88÷0.56=5.98÷0.23=19.76÷5.2=6.21÷0.03=0.76÷0.038=19.2÷12=4.05÷0.005=46.8÷0.52=74.4÷0.93=二、按要求計(jì)算1、保存一位小數(shù)1.2×1.4≈0.37×8.4≈3.14×3.9≈4.8÷23≈1.55÷3.6≈7.09÷0.52≈2、保存二位小數(shù)3.18÷7≈246.4÷13≈5.63÷6.1≈40÷7.5≈0.86×1.2≈2.34×0.15≈1.05×0.26≈0.34×0.54≈0.012×0.25≈3、保存三位小數(shù)1.29029…0.018383……3.275275……≈≈≈4、除不盡的用循環(huán)節(jié)表示2.29÷1.1≈153÷7.2≈23÷3.3≈三、計(jì)算，能簡(jiǎn)算的要簡(jiǎn)算4.8×0.250.78×9780.5×2.33×81.5×1050.3×2.5×0.41.2×2.5＋0.8×2.57.2×1.6＋0.8〔16.8＋1.47〕÷0.70.75×18÷0.152.07÷0.23÷0.4521.36÷0.8－12.97.28＋32÷2.50.125×7.41×80〔3.2＋0.56〕÷0.81.08×0.8÷0.272.05÷0.82＋33.644.28÷0.9÷4.19.07—22.7÷3.42.02×8.51.25＋4.6＋0.751.6×75×1.2556×1.253.4×7×1.50.8×0.25×0.4×1.2554.9×0.384.05＋37.851.25×0.7×0.89.8×256.1×3.6＋3.6×3.92.96×40解方程〔前三題要檢驗(yàn)〕*-8=165*=8043-*=3820-*=96.3÷*=7*÷4.5=1.26*＋3=94*-2=105*-39=56解方程18＋5*=218*-4×14=07*÷3=8.194〔6*＋3〕=602*＋23×4=134〔3*-4〕×5=42*＋1.5*=17.58*-3*=1053*＋*＋6=263*＋6=182*-7.5=8.516＋8*=408〔*-6.2〕=41.6〔*-3〕÷2=7.513.2*＋9*=33.35.4*＋*=12.6*-0.36*=16*＋4.8=7.2*-6.5=3.2*÷8=0.46*＋18=483〔*＋2.1〕=10.512*-9=8.73.8＋*=6.324*-3×9=292〔*-6.2〕=85〔*＋1.5〕=17.55*=14*-7.9=2.613〔*＋5〕=169解決問(wèn)題1．2、一種圓珠筆原價(jià)每支3.8元，降價(jià)后每支廉價(jià)0.2元，原來(lái)買(mǎi)180支筆的錢(qián)，現(xiàn)在可以買(mǎi)多少支.3、果園里有桃樹(shù)和杏樹(shù)一共有1750棵，桃樹(shù)的棵數(shù)是杏樹(shù)的2.5倍。桃樹(shù)和杏樹(shù)各有多少棵.〔用方程解〕4、有一塊梯形的菜地，上底是32米，下底是48米，高是32.2米。如果每平方米收白菜30千克，這塊地一共收白菜多少千克.