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Multiply and add
Multiply and subtract
100

4+10

14

100

10-10

0

100

1×1

1

100

5×6+5

35

100

5×2-5

5

200

10+20

30

200

40-14

26

200

4×4

24

200

8×4+3

35

200

10×30-15

230

300

51+12

63

300

100-23

77

300

16×4

64

300

50×2+20

120

300

5×7-5

30

400

100+199

299

400

100-199

1

400

50×50

250

400

100×500+100

1100

400

5×10-24

16

500

123+321

444

500

500-439

51

500

200×400

800

500

6×10+9

69

500

2×45-6

82