班级: 姓名:1.算一算1+0= 5-3= 4-1=2+3= 5-4= 5-1=4-2 = 5-5= 3+2=3-2 = 3-1= 2-1=5-3 = 2-0= 5-1=5-2 = 2+2 = 1+1=4-1 = 1+3 = 1+4=5-4 = 3+0 = 2+3=2-1 = 0-0 = 0+5=4-3 = 2-2 = 4-0=3-1 = 1+3= 1+4=-4= 0 - 2=1 4- =35- =4 +2=5 - 4=0-4=1 2+ =5 +2=2 2.填“+” 或者“- ”3 3=0 2 2=4 5 2=3 3 2=1 5 1=45 1=4 3 2=5 2 1=1 5 4=1 1 2=32 1=1 1 3=4 2 3=5 2 2=4 1 1=24 3=1 4 1=3 3 1=4 4 4=0 3 1=4