新人教版六年级数学下册第2单元《百分数》试题 (1)
1六年级数学下册第二单元<百分数(二)>测试题一、计算(37分)1、直接写出得数:(10分)0.77+1.33=20×70%=70÷1.4=19+=(0.18+9)÷9=10-0.09=45÷90%=÷6=12.6-1.7=200×(1-40%)=2.求未知数x:(12分)318341xxχ-65%χ=70120%χ-χ=0.849+40%χ=893、脱式计算(能简便计算的要简便计算):(15分)80÷(1-84%)5-5×52+530.25×32×12.5%[—(-)]÷÷+×二、填空:(20分,每空1分)1、30平方米比24平方米多()%;140千克比()千克多40%;5千克减少20%...
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