Answer:
b+9=20-12
Step-by-step explanation:
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23,49,812
d
Step-by-step explanation:a
9514 1404 393
9/10
(1 1/10) - 1/5 = (1 1/10) -2/10 = 1 + (1/10 -2/10) = 1 -1/10 = 9/10
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1.1 -0.2 = 0.9 = 9/10
