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Mathematics, 09.10.2019 19:30 mosleykimberly944

Which pairs of expressions give a positive result?
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-8 x-9 and 9 x 8
8 * -9 and 9 x-8
-10 * -5 and -5 *-10
-10
-5 and 5 x 10
10 x 5 and 5 % -10
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