(完整word版)六年级数学上册口算题.doc

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六年级数学上册口算题
1、口算
24 >100= 100二 400=
32X3二 60X3二 18X10二 氷00二 6^100= 49 >2二 12X7二
43X4= 72 >5= >0= 10=
400= 32X4=
82X5=
X100=
-100=
-10=
= + 5 X= X8= X17= X5= X2=
= + 5 X= X8= X17= X5= X2=
2、计算
14X9=
X2=
X200=
=
X3= 17X8= =
X40=
X80=
X7=
20X4= X4=
=
X2
X5=
42X3=
X0=
= X40= X20=
X3=
X40=
2. 4X10==
X2=
X4= X4= X40=
=
X6= X7=
X4= = X4= X5=
= + 5 X= X8= X17= X5= X2=
= + 5 X= X8= X17= X5= X2=
X3=
=
=
= = =
=
=
= = =
X3=
=
= =
=
X8= = X7= X9=
= + 5 X= X8= X17= X5= X2=
= + 5 X= X8= X17= X5= X2=
3、估算它们的结果
3〜
〜
〜 〜
X 〜
12 〜
〜
6〜 〜 30X 〜
〜
〜
〜 〜
103X 〜
= + 5 X= X8= X17= X5= X2=
= + 5 X= X8= X17= X5= X2=
4、计算
= X8= X2=
= = =
X0=
X7=
= = X4= X8=
=
= + 5 X= X8= X17= X5= X2=
03二 X0二 ***@9= ¥= 8X）.2 8=
= + （-） =
5、计算
= += 2= = =
= -= = 7= 70=