x
+
-
100

what is 10x0

0

100

what is 10+4

14

100

what is 98-23

73

200

What is 12x4

48

200

what is 14+13

27

200

what is 89-43

46

300

There was 30x4

120

300

what is 72+12

84

300

what is 143-22

121

400

What is 19x19

361

400

what is 1908+123

2032

400

what is 189+84

104

500

What is 823x2

1646

500

What is 909+2

911

500

6554-222

6332

M
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u