两袋分别盛着写有0，1，2，3，4，5六个数字的六张卡片，从每袋中各取一张，求所得两数之和等于6的可能性是多少？
计算下面各题．+ 1﹣+．
直接写出得数.= 1﹣40%== 52= 1÷== 3﹣==== 0.8×÷=
看谁算得快．= 1﹣==== 1﹣=== 1﹣=== 1﹣=
怎样算简便就怎样算． ①= ②= ③= ④= ．
直接写出得数．+=﹣=﹣= 1﹣=﹣=+=
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= 1﹣40%=
= 52= 1÷
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= 0.8×
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= 1﹣
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= 1﹣
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= 1﹣
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= 
= ．
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= 1﹣
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