Страница 68, ГДЗ за 5 класс к математическому тренажеру Жохова
Задание 41. Решение уравнений (с десятичными дробями)
А \[\begin{aligned} 1 : c &= 0{,}2, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{5}}}}} \\ y \cdot 0{,}6 &= 6, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\ 0{,}6 : x &= 0{,}2, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3}}}}} \\ 3{,}7 \cdot b &= 0, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0}}}}} \\ b : 0{,}3 &= 0{,}3, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}09}}}}} \\[10pt] 2 : a &= 0{,}2, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\ x \cdot 0{,}1 &= 0{,}8, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{8}}}}} \\ y : 0{,}2 &= 10, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ 0{,}8 \cdot a &= 1{,}6, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ b : 0{,}4 &= 2, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}8}}}}} \\[10pt] 5 \cdot y &= 4, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}8}}}}} \\ c : 0{,}7 &= 1, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}7}}}}} \\ 2 : b &= 5, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}4}}}}} \\ b \cdot 0{,}5 &= 4, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{8}}}}} \\ 0{,}4 : y &= 0{,}04, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\[10pt] a : 0{,}2 &= 0{,}4, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}08}}}}} \\ c \cdot 4 &= 1, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}25}}}}} \\ 0{,}9 : c &= 9, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}1}}}}} \\ 7 \cdot x &= 2{,}1, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}3}}}}} \\ b : 0{,}4 &= 0{,}5, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\[10pt] 0{,}75 \cdot y &= 0{,}75, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} \\ x : 0{,}3 &= 0{,}6, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}18}}}}} \\ a \cdot 10 &= 5, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}5}}}}} \\ 4{,}5 : y &= 9, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}5}}}}} \\ 6 \cdot c &= 3{,}6, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}6}}}}} \end{aligned}\]
Б \[\begin{aligned} 0{,}6 : c &= 6, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}1}}}}} \\ 0{,}3 \cdot a &= 0{,}9, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3}}}}} \\ 0{,}4 : x &= 0{,}1, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4}}}}} \\ y \cdot 5 &= 1, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ 0{,}5 \cdot c &= 2, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4}}}}} \\[10pt] 2{,}4 : b &= 3, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}8}}}}} \\ 8 \cdot x &= 3{,}2, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}4}}}}} \\ y : 0{,}1 &= 12, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}2}}}}} \\ 3 : a &= 5, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}6}}}}} \\ 10 \cdot b &= 2, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\[10pt] 3 : c &= 0{,}3, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\ x \cdot 0{,}2 &= 0{,}8, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4}}}}} \\ a : 0{,}9 &= 0{,}3, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}27}}}}} \\ 1{,}4 : b &= 0{,}7, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ c : 4 &= 0{,}25, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} \\[10pt] 6 \cdot y &= 1{,}2, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ 1 : x &= 0{,}5, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ a : 2 &= 0{,}15, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}3}}}}} \\ 0{,}8 \cdot y &= 8, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\ c \cdot 8{,}4 &= 0, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0}}}}} \\[10pt] b : 0{,}3 &= 0{,}2, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}06}}}}} \\ a \cdot 0{,}01 &= 0{,}6, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{60}}}}} \\ 0{,}8 : y &= 0{,}08, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\ x : 0{,}3 &= 10, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3}}}}} \\ 0{,}6 \cdot c &= 1{,}8, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3}}}}} \end{aligned}\]