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三、在合适的答案下面画“√”。
1. 小兰可能折了多少只纸鹤?
1. 小兰可能折了多少只纸鹤?
答案
三、1. 30只 √
2. 跳远的可能有多少人?
答案
2. 35人 √
四、我会算。
$12 - 7 =$
$14 - 9 =$
$3 + 30 =$
$20 + 2 =$
$57 - 7 =$
$11 - 8 + 20 =$
$30 + 7 - 7 =$
$12 - 7 =$
5
$16 - 8 =$8
$7 + 8 =$15
$11 - 3 =$8
$14 - 9 =$
5
$20 + 9 =$29
$86 - 6 =$80
$13 - 8 =$5
$3 + 30 =$
33
$75 - 5 =$70
$11 - 2 =$9
$14 - 7 =$7
$20 + 2 =$
22
$58 - 50 =$8
$8 + 80 =$88
$40 + 9 =$49
$57 - 7 =$
50
$45 - 40 =$5
$70 + 7 =$77
$12 - 5 =$7
$11 - 8 + 20 =$
23
$57 - 50 + 9 =$16
$65 - 5 + 9 =$69
$30 + 7 - 7 =$
30
$48 - 40 - 5 =$3
$14 - 9 + 80 =$85
答案
四、5；8；15；8；5；29；80；5；33；70；9；7；22；8；88；49；50；5；77；7；23；16；69；30；3；85
