1. 口算。
$4 + 3 =$
$5 + 1 =$
$7 + 2 =$
$6 + 3 =$
$4 + 5 =$
$4 + 2 =$
$4 + 4 =$
$8 + 1 =$
$5 + 3 =$
$6 + 2 =$
$1 + 8 =$
$5 + 4 =$
$3 + 6 =$
$3 + 4 =$
$5 + 2 =$
$2 + 5 =$
$7 + 1 =$
$3 + 5 =$
$2 + 6 =$
$3 + 6 =$
$4 + 3 =$
$5 + 1 =$
$7 + 2 =$
$6 + 3 =$
$4 + 5 =$
$4 + 2 =$
$4 + 4 =$
$8 + 1 =$
$5 + 3 =$
$6 + 2 =$
$1 + 8 =$
$5 + 4 =$
$3 + 6 =$
$3 + 4 =$
$5 + 2 =$
$2 + 5 =$
$7 + 1 =$
$3 + 5 =$
$2 + 6 =$
$3 + 6 =$
答案:
1. 7 6 9 9 9
6 8 9 8 8
9 9 9 7 7
7 8 8 8 9
6 8 9 8 8
9 9 9 7 7
7 8 8 8 9
2. 看图列式计算。

$□ + □ = □$

$□ + □ = □$
$□ + □ = □$
$□ + □ = □$
$□ + □ = □$
$□ + □ = □$
答案:
2. 3+3=6 5+2=7 2+5=7
3. 先接着画一画,再写出和。

$7 + 2 = □$
$6 + 3 = □$
$7 + 2 = □$
$6 + 3 = □$
答案:
3.
7+2=9 6+3=9
3.
4.

左边有(
$□ + □ = □$
左边有(
5
)朵花,右边有(4
)朵花,一共有(9
)朵花。$□ + □ = □$
答案:
4. 5 4 9 5+4=9
查看更多完整答案,请扫码查看