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mental maths
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515 x 6
3090
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Okay!
421 x 9
3789
Oops!
Okay!
172 x 2
0344
Oops!
Okay!
222 x 8
1776
Oops!
Okay!
146 x 3
0438
Oops!
Okay!
447 x 4
1788
Oops!
Okay!
482 x 5
2410
Oops!
Okay!
624 x 6
3744
Oops!
Okay!
219 x 5
1095
Oops!
Okay!
221 x 9
1989
Oops!
Okay!
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