登录
1. 直接写出得数。(每题 1★)
$15 - 6 = $ $6 + 5 = $ $14 - 8 = $ $3 + 8 - 7 = $
$12 - 8 = $ $16 - 9 = $ $13 - 4 = $ $5 + 7 - 6 = $
$11 - 5 = $ $11 - 3 = $ $15 - 7 = $ $17 - 7 - 6 = $
$12 - 7 = $ $13 - 6 = $ $17 - 9 = $ $14 - 6 + 5 = $
$15 - 6 = $ $6 + 5 = $ $14 - 8 = $ $3 + 8 - 7 = $
$12 - 8 = $ $16 - 9 = $ $13 - 4 = $ $5 + 7 - 6 = $
$11 - 5 = $ $11 - 3 = $ $15 - 7 = $ $17 - 7 - 6 = $
$12 - 7 = $ $13 - 6 = $ $17 - 9 = $ $14 - 6 + 5 = $
答案
9 11 6 4
4 7 9 6
6 8 8 4
5 7 8 13
4 7 9 6
6 8 8 4
5 7 8 13
2. $\square$里最大能填几?(每空 2★)
$12 - \square ＞ 6$ $4 + \square ＜ 12$ $13 - \square ＞ 8$
$15 - \square ＞ 7$ $\square + 9 ＜ 14$ $16 - \square ＞ 7$
$12 - \square ＞ 6$ $4 + \square ＜ 12$ $13 - \square ＞ 8$
$15 - \square ＞ 7$ $\square + 9 ＜ 14$ $16 - \square ＞ 7$
答案
5 7 4 7 4 8
四、数一数,填一填。(每空 3★,共 15★,得____★)
答案
3 2 5 1 11
五、解决问题。(每题 6★,共 12★,得____★)
1. 鹅再增加几只就和鸭同样多? 2. 公鸡有 5 只,母鸡有多少只?
1. 鹅再增加几只就和鸭同样多? 2. 公鸡有 5 只,母鸡有多少只?
答案
1. $12 - 4 = 8$（只）
2. $11 - 5 = 6$（只）
2. $11 - 5 = 6$（只）
