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《六年级数学简便计算题30046讲解学习.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、六年级数学简便计算题30046__________________________________________________六年级计算题姓名: 班别:一、计算下面各题,能算便的就简便。0.8×32.5×12.5 7.6×9.9×0.01 8.32×0.58-0.32×0.581.25÷5+0.25×20 10.69-2.5×2.4 0.3×2.5×0.048.4×57+8.4×42+8.4 13÷0.65÷2 7.2×10.1-7.21.2×2.5+2.8×2.5 32×0.65+3.2×3.5 ×÷15_
2、___________________________________________________________________________________________________25×(4+) 60×(+-) ×0.35+0.65÷0.25×37.5%+× 25%×+×25% ÷÷×0.35+0.65÷ ÷4÷ +÷5÷-÷5 2-÷- ×1000-______________________________________________________________________
3、______________________________(+)×15 ×+÷9 32÷÷+++ +(+) ÷(3--)小学数学——简便运算一、口算下面各题。10-2.65=0.9×0.08=528-349=6+14.4=24÷0.04=12.34-2.3=0÷3.8=0.77+0.33=7÷1.4=67.5+0.25=7.2÷8×4=5-1.4-1.6=400÷125÷8=1.9×4×0.5=80×0.125=÷3×=6÷6=2-(+)=10×2=3.2×7÷3.2×7=(-)×12=187.7×11-187.7=1-÷62.5%=二、先计
4、算,后写出下列每题在简便运算时所运用的定律或性质。____________________________________________________________________________________________________4+3.2+5+6.825×(8×0.4)×1.257-(2-)()()()(++)×7293.5÷3÷16÷2.5()()()三、用简便方法计算。1125-997998+1246+9989 (8700+870+87)÷87125×8.81.3+4.25+3.7+3.7517.15-(3.5-2.85)_____
5、_______________________________________________________________________________________________3.4×99+3.44.8×1.010.4×(2.5÷73) (1.6+1.6+1.6+1.6)×25(+-)÷12.3-2.45-5.7-4.55÷2+×0.125×0.25×64________________________________________________________________________________________________
6、____64.2×87+0.642×130078×36+7.8×741-7×17+×8×+0.125×+0.52.42÷+4.58×-4÷325÷1004.25-3-(2-1)3.8÷3.9+3.9÷0.1+0.1÷3.912.1-(+)×105__________________________________________________
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