Question

х+1/4=5/12, 2/5÷х=2 целых 1/5

Answer 1

X + 1/4 = 5/12
X = 5/12 - 3/12
X = 2/12
X = 1/6
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2/5 : x = 2 1/5
X = 2/5 : 11/5
X = 2/11