共30题用时5分钟

47+53=

52+17=

29+39=

52+39=

38+56=

33+53=

60-46=

57+15=

46+3=

15+19=

49+16=

69+19=

74+18=

25+56=

6×5 =

53+46=

29+66=

7×5 =

76-43=

36+56=

1×8 =

87-56=

63-59=

2×9 =

27+53=

85-36=

2×5 =

56-26=

64-25=

8×5 =