18+29 54-25 37+17 400-80 55+16 35-27 56-37 26+36 46-18 54-37 18+28 140-90 25+29 47-19 200-60 51-39 110-40 17+39 65-29 120-40 49+23 61-33 14+29 44-26 59+16

18+29 = 47

54-25 = 29

37+17 = 54

400-80 = 320

55+16 = 71

35-27 = 8

56-37 = 19

26+36 = 62

46-18 = 28

54-37 = 17

18+28 = 46

140-90 = 50

25+29 = 54

47-19 = 28

200-60 = 140

51-39 = 12

110-40 = 70

17+39 = 56

65-29 = 36

120-40 = 80

49+23 = 72

61-33 = 28

14+29 = 43

44-26 = 18

59+16 = 75

18+29 = 47 46-18=28

54-25 = 29 54-37=17

37+17 = 54 18+28=46

400-80 = 320 140-90=50

55+16 = 71 25+29=54

35-27=8 47-19=28

56-37 = 19 200-60=140

26+36=62 51-39=12

110-40 = 70 49+23=72

17+39=56 61-33=28

65-29 = 36 14+29=43

120-40 = 80 44-26=18

59+16=75