六年级口算试题 姓名 班级 一、直接写得数：636198= 3.60.036= 719= 3.70.1% = 6()= 8.1= (15)= 1= 0.40.2= 9-0.9= 10.75-(0.753.4)= 720.4= 24= 0.2= (3)5= 1= = 3005-899= 7.25+2.75= 9.898 0.125298 = 578216 18.253.3 3.2 8.1 23 0.9990.99 2= 26.2626= 217 26.2626= 4.576.43= 7.9117.9= 1812 33=0.130%= 21%2= =1.840.5= 1.51.50.3= 1812 3.1432= = 1000.1%=二、口算乐园：1、加工一批零件，原计划20天完成，实际15天完成，工作效率提高了（ ）%。2、把一个正方体分成两个相等的长方体，原正方体的表面积比分成的两个长方体的表面积之和少（ ）%。3、有一个数，如果省略它的尾数是10万，这个数最大是（ ），最小是（ ）。4、若XY=YX,则XY=( ):( )。5、在含有铅和锡的合金中，铅750克，锡474克，增加铅( )克，可以使铅和锡的比为5:3。 小学六年级口算测试 班级 姓名 成绩 = = 12= 3= = 4= = 5= = =2= 13= = 3= 36= = 56= 5= 18= =26= 2= = = 24= = = 8= =2 + 4（） += = 2= = 7= 4= = 12= 0= = = = 245= = = 1= 9=4= 31.95= = = 27=3= = 8= 3= 6=6= = = 6= =4= 0.5= = 100= 88= 4= 12= 254= 10=4= = 60= = 12=8= 11= 10= = = = 0= 60.5= 8.44.2= = 12= 3= = 4= = 5= = =2= 13= = 3= 36= = 56= 5= 18= =26= 2= = = 24= = = 8= =2= + 4（）= += = 2= = 7= 4= = 12= 0= = = = 245= = = 1= 9=4= 31.95= = = 27=3= = 8= 3= 6=6= = = 6= =4= 0.5= = 100= 88= 4= 12= 254= 10=