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primary 5 | Maths | Whole Numbers
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Mohd Iswady
Mohd Iswady

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

How to do?

Date Posted: 3 months ago
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Darryl Ng
Darryl Ng's answer
3 answers (Tutor Details)
shift known numbers to the other side, leaving 15 __ 5 = 75.

From there it becomes obvious that the operator must be X.