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Mathematics, 29.01.2020 16:01 mfg1235

How could you check the answer to 27-15=12 using addiction a. 27+12=15 b.. 15-12=27. c.12+15=27 d.27+15=12

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How could you check the answer to 27-15=12 using addiction a. 27+12=15 b.. 15-12=27. c.12+15=27 d.27...
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