Addition
Subtraction
Multiplication
MIX
Surprise
100

793+201

994

100

392-163

229

100

9x8

72

100

23+11x3

102

100

63-043

10

200

5094+4782

9876

200

642-168

474

200

12x4

48

200

37+29+9x2

150

200

10x19

190

300

8.989+10.630

19.619

300

921-572

349

300

11x11

121

300

57+23+9+9x2

169

300

9+9+9+9+9x2

90

400

11.267+8.719

19.986

400

1903-903

1000

400

12x13

156

400

72+58x2

260

400

9011+6294

15.305

500

14.588+16.938

31.526

500

2971-1522

1.449

500

14x16

224

500

73+66+25x3

492

500

5+6=A

A+4=15

A=?

11