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五、列竖式计算。
27 + 38 =
36 + 18 =
56 + 9 =
58 + 32 =
5 + 28 =
27 + 47 =
jiě jué wèn tí
27 + 38 =
36 + 18 =
56 + 9 =
58 + 32 =
5 + 28 =
27 + 47 =
jiě jué wèn tí
答案
竖式略 65 54 65 90 33 74
1. 小明家原来有32个苹果，妈妈又买了15个苹果。小明家现在有多少个苹果？
答案
1. 32 + 15 = 47(个)
2. 她们一共画了多少幅画？
fǎng zhào shì lì suàn yi suàn tián yi tián
fǎng zhào shì lì suàn yi suàn tián yi tián
答案
2. 58 + 26 = 84(幅)
七、仿照示例，算一算，填一填。
$\bigstar + 31 = 65$
$\bigstar = \boxed{65} \ominus \boxed{31}$
$\bigstar = \boxed{34}$
$13 + \blacktriangle = 78$
$\blacktriangle = □ ◯ □$
$\blacktriangle = □$
$\hexagon + 22 = 96$
$\hexagon = □ ◯ □$
$\hexagon = □$
$\bigstar + 31 = 65$
$\bigstar = \boxed{65} \ominus \boxed{31}$
$\bigstar = \boxed{34}$
$13 + \blacktriangle = 78$
$\blacktriangle = □ ◯ □$
$\blacktriangle = □$
$\hexagon + 22 = 96$
$\hexagon = □ ◯ □$
$\hexagon = □$
答案
78 - 13 65 96 - 22 74
