数的大小 Flashcards

1
Q

39,69,78,98,54,100,52,18,29,118,71,60
小于62的数?
大于62的数?

A

小于62的数:39,54,52,18,29,60

大于62的数:69,78,98,100,71,118

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2
Q

25,100,72,98,60,152,39,80,15,215
不大于80的数?
不小于100的数?

A

不大于80的数:72,25,60,80,15,39

不小于100的数:100,215,152

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3
Q

十位上的数字比个位上的数字大2的两位数

A
大2
   ➡️
十 个
 2   0
 3   1
 4   2
 5   3
 6   4
 7   5
 8   6
 9   7
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4
Q

十位上的数字与个位上的数字相差2

A
大2
   ➡️
十 个
 2   0
 3   1
 4   2
 5   3
 6   4
 7   5
 8   6
 9   7
  大2
   ⬅️
十 个
 1   3
 2   4
 3   5
 4   6
 5   7
 6   8
 7   9
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5
Q

50以内(包括50),十位上的数字比个位上的数字大的两位数一共有多少个?

A
十>个
 1     0
 2     0
 2     1
 3     0
 3     1
 3     2
 4     0
 4     1
 4     2
 4     3
 5     0
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6
Q

有一个三位数,它的十位数字比百位数字大3,个位数字又比十位数字大4,这个数可能是什么?

A

十=百+2
个=十+4

百 十 个
1 3 7
2 4 8
3 5 9

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7
Q

有一个三位数,它的十位数字比百位数字小3,个位数字又比十位数字小2。这个数可能是什么?

A
十=百-3
个=十-2
个位最小是0
十位最小是2
百位最小是5
百十个
 5  2  0
 6  3  1
 7  4  2
 8  5  3
 9  6  4
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