add
sub
letter
100

78+41

119

100

80-20

60

100

what letter is this H

H

200

89+63

153

200

100-50-20

30

200

what letter is this Z

Z

300

123+23

146

300

67-45

22

300

what letter this is S

S

400

900+267

1167

400

500-100-50

450

400

what letter is this J

J

500

75+12+63+81

231

500

700-100-100-50

550

500

what letter is this B

B
M
e
n
u