姓名 ______________________日期 ____________得分 ____ / 1220 以内加法练习20 以内加法 · 1–12计算。简单替换1.5 + 2 =简单替换2.4 + 0 =简单替换3.5 + 5 =简单替换4.4 + 1 =简单替换5.4 + 2 =简单替换6.5 + 0 =简单替换7.2 + 7 =简单替换8.8 + 0 =简单替换9.8 + 1 =简单替换10.7 + 3 =简单替换11.7 + 1 =简单替换12.6 + 2 =答案 — 20 以内加法练习20 以内加法1.72.43.104.55.66.57.98.89.910.1011.812.8由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷