2026年通城学典计算能手一年级数学下册苏教版江苏专版第4页答案
一、口算。
$9 + □ = 18$
$15 - 9 =$
$3 + 7 - 9 =$
$9 + □ = 15$
$12 - 9 =$
$15 - 9 + 2 =$
$9 + □ = 12$
$14 - 9 =$
$12 + 4 - 9 =$
$9 + □ = 14$
$16 - 9 =$
$17 - 9 + 2 =$
$9 + □ = 17$
$11 - 9 =$
$16 - 2 - 9 =$
$9 + □ = 19$
$13 - 9 =$
$9 + 7 - 9 =$
$9 + □ = 11$
$18 - 9 =$
$14 + 3 - 9 =$
$9 + □ = 13$
$17 - 9 =$
$18 - 9 + 3 =$
$9 + □ = 10$
$19 - 9 =$
$6 + 10 - 9 =$
$9 + □ = 16$
$10 - 9 =$
$13 - 9 + 11 =$

答案

一、9 6 1
6 3 8
3 5 7
5 7 10
8 2 5
10 4 7
2 9 8
4 8 12
1 10 7
7 1 15
二、找规律，填一填。

答案

二、8 3 7 4

解析

8 3 7 4