1算一算
42+ 31 =
36- 8 =
87- 25 =
45+ 54 =
63+ 8 =
10+ 29 =
34+ 9 =
86- 36 =
20+ 54 =
72- 6 =
57- 35 =
64+ 7 =
90- 9 =
56+ 33 =
79- 18 =
36+ 7 =
25+ 44 =

42+31=73
36-8=28
87-25=62
45+54=99
63+8=71
10+29=39
34+9=43
86-36=50
20+54=74
72-6=66
57-35=22
64+7=71
90-9=81
56+33=89
79-18=61
36+7=43
25+44=69

看图比一比


比 ()□只
比 ()□条
画一画，比一比

(画的□比△多6个)

(画的○比少5个)

答案略