内容正文:
不进位加法
谁算得快
32+2= 16 +3=
44+5 = 2+30=
3+10= 52+6 =
15+2 = 23+5 =
61+7 = 50+20=
32+2=34 16 +3=
44+5 = 2+30=
3+10= 52+6 =
15+2 = 23+5 =
61+7 = 50+20=
32+2=34 16 +3=19
44+5 = 2+30=
3+10= 52+6 =
15+2 = 23+5 =
61+7 = 50+20=
32+2=34 16 +3=19
44+5 =49 2+30=
3+10= 52+6 =
15+2 = 23+5 =
61+7 = 50+20=
32+2=34 16 +3=19
44+5 =49 2+30=32
3+10= 52+6 =
15+2 = 23+5 =
61+7 = 50+20=
32+2=34 16 +3=19
44+5 =49 2+30=32
3+10=13 52