共30题用时5分钟

67-38=

45+36=

41-3×4 =

55-16=

55+26=

63-2×4 =

35+19=

73-29=

42+6×9 =

36+38=

64-16=

76-3×1 =

26+48=

56+26=

92-4×3 =

76+16=

36+45=

6+6×5 =

75-46=

32+49=

77-7×6 =

59+23=

98-53=

67-6×9 =

58+14=

31+38=

20-6×5 =

24+37=

51+29=

5+4×4 =