限时测试

5+4= 3+6= 4+2= 9+0= 2+7= 1+7= 6+4= 7+3= 2+3= 0+10= 10-2= 9-3= 8-7= 9-5= 6-2= 5-4= 3+( )=10 4+( )=8 2+( )=9 1+( )=10 ( )+5=10 ( )+6=6 ( )+2=9 ( )+3=10 9-( )=2 7-( )=7 9-( )=5 6-( )=4 ( )-3=3 ( )-9=1 ( )-2=7 ( )-3=6

10-9= 0+( )=4 5+( )=7 4+( )=6 8+( )=9 ( )+2=5 ( )+7=8 ( )+2=8 ( )+2=4 6-( )=1 10-( )=5 0-( )=0 7-( )=4 ( )-6=2 ( )-3=0 ( )-4=3 ( )-6=1 7-3= 4+( )=9 10+( )=10 3+( )=3 5+( )=10 ( )+6=9 ( )+0=5 ( )+3=7 ( )+6=7 10-( )=8 9-( )=0 8-( )=2 9-( )=7 ( )-7=3 ( )-3=5 ( )-2=7 ( )-5=4 8-4= 1+( )=8 2+( )=6 7+( )=8 6+( )=7 ( )+8=10 ( )+1=7 ( )+3=8 ( )+7=10 7-( )=6 10-( )=4 10-( )=3 4-( )=4 ( )-0=6 ( )-5=1 ( )-6=4 ( )-7=0 7-6= 6+( )=10 3+( )=5 6+( )=9 3+( )=10 ( )+3=8 ( )+4=6 ( )+2=9 ( )+0=6 5-( )=2 3-( )=2 5-( )=1 8-( )=4 ( )-5=5 ( )-1=8 ( )-0=10 ( )-1=8