簡便運算綜合練習(xí)題一、加法結(jié)合律二、加法湊整三、減法的性質(zhì)837-311-289747-240-260247-56-44774-301-299591-135-165簡便運算綜合練習(xí)題五、乘法結(jié)合律2×45×505×22×25×37×22×35×54×18×2525×86×4六、乘法分配律(40+4)×15七、提取公因子23×110-23×1028×359+28×4135×133+35×6747×145+47×155簡便運算綜合練習(xí)題八、乘法分配律拆數(shù)10×2025×19625×401九、除法的性質(zhì)160÷4÷5450÷45÷2300÷4÷15450÷5÷18240÷4÷15640÷5÷16十、小數(shù)加法結(jié)合律簡便運算綜合練習(xí)題十一、小數(shù)減法的性質(zhì)13.9-4.9-0.114.1-8.7-0.37.1-2.73-0.2714-4.6-0.417.2-7.76-0.2414.2-6.82-0.18十二、小數(shù)乘法結(jié)合律9.2×4×0.250.5×9.5×20.125×4.5×82×2×0.54×6.4×0.250.8×7×12.5十三、小數(shù)乘法分配律2×(1.5+2)8×(0.5-0.4)4×(2.5-0.6)簡便運算綜合練習(xí)題十四、小數(shù)提取公因子3.6×2.6+3.6×0.42.8×0.87+2.8×0.134.6×0.8-4.6×0.21.8×1-1.8×13.8×0.9-3.8×0.11.7×0.1+1.7×0.9十五、小數(shù)除法的性質(zhì)1800÷5÷1.8210÷0.5÷6850÷2÷2.5420÷0.2÷151000÷4÷2.570÷1.25÷0.8簡便運算綜合練習(xí)題一、加法結(jié)合律二、加法湊整三、減法的性質(zhì)420-100-100743-244-256318-47-53339-96-104856-300-300390-113-87簡便運算綜合練習(xí)題五、乘法結(jié)合律25×67×450×21×220×69×55×90×225×35×450×22×2六、乘法分配律七、提取公因子39×139+39×6120×350-20×5025×240-25×40簡便運算綜合練習(xí)題八、乘法分配律拆數(shù)50×40420×2995×203100×40220×20250×301九、除法的性質(zhì)180÷45÷2180÷5÷18480÷12÷5270÷45÷2150÷5÷6800÷25÷4十、小數(shù)加法結(jié)合律簡便運算綜合練習(xí)題十一、小數(shù)減法的性質(zhì)6.5-0.66-0.3416.1-6.54-0.4614.7-5.8-0.27.8-4.6-0.49-2.8-0.214.5-8.6-0.4十二、小數(shù)乘法結(jié)合律6.8×0.8×12.54×6.9×2.55.7×8×0.1250.5×4.4×28×7.7×0.1252.8×0.8×12.5十三、小數(shù)乘法分配律4×(1.25-1.4)簡便運算綜合練習(xí)題十四、小數(shù)提取公因子1.8×2.6-1.8×0.43.6×2.16-3.6×0.844.4×0.6-4.4×0.42.8×3.42+2.8×0.582.9×2.5+2.9×0.54.3×1.8+4.3×0.2十五、小數(shù)除法的性質(zhì)60÷0.125÷8240÷0.5÷161080÷2÷4.5220÷0.4÷5300÷2÷2.5480÷5÷1.6簡便運算綜合練習(xí)題一、加法結(jié)合律二、加法湊整三、減法的性質(zhì)862-286-314894-314-286258-48-52772-265-235341-102-98簡便運算綜合練習(xí)題五、乘法結(jié)合律2×53×55×90×220×11×52×62×504×89×252×38×5六、乘法分配律23×(100-4)(400-2)×30(200-3)×29七、提取公因子15×240-15×40201×54-5438×219+38×8137×240-37×4019×310-19×10簡便運算綜合練習(xí)題八、乘法分配律拆數(shù)50×30510×10525×196九、除法的性質(zhì)360÷8÷5280÷2÷35100÷4÷5810÷5÷18450÷2÷25540÷5÷18十、小數(shù)加法結(jié)合律簡便運算綜合練習(xí)題十一、小數(shù)減法的性質(zhì)11.9-8.9-0.111.3-8.6-0.414.9-5.72-0.2812.1-6.58-0.4216.1-6.7-0.315.3-6.8-0.2十二、小數(shù)乘法結(jié)合律6.4×8×0.1258.9×4×2.50.8×5.9×12.50.5×5.9×22×2×0.50.8×3.5×12.5十三、小數(shù)乘法分配律0.25×(4-0.2)8×(0.75-1)簡便運算綜合練習(xí)題十四、小數(shù)提取公因子0.5×0.73+0.5×0.27