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If 0.4 m + 0.8 n = 2.2 and 0.8 m + 0.4 n = 1.4, then the value of
Q:
If 0.4 m + 0.8 n = 2.2 and 0.8 m + 0.4 n = 1.4, then the value of
- 18.5false
- 26.5true
- 316false
- 49false
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