Сравните: а) 5/9 и 7/9; б) 1 3/8 и 5/8; в) 14/5 и 2 4/5

#1.

a)

б)

#2.

#3.

a)

-11}} \right." class="latex-formula" id="TexFormula8" src="https://tex.z-dn.net/?f=%5Csqrt%7B5-x%7D%20%3C%204%5C%5C%5Cleft%20%5C%7B%20%7B%7B5-x%5Cgeq0%20%7D%20%5Catop%20%7B5-x%3C16%7D%7D%20%5Cright%5C%5C%5Cleft%20%5C%7B%20%7B%7Bx%5Cleq5%20%7D%20%5Catop%20%7Bx%3E-11%7D%7D%20%5Cright." title="\sqrt{5-x} < 4\\\left \{ {{5-x\geq0 } \atop {5-x<16}} \right\\\left \{ {{x\leq5 } \atop {x>-11}} \right.">

x ∈ (-11; 5]

б)

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x ∈ [2,5; +∞)