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