Страница 67, ГДЗ за 5 класс к математическому тренажеру Жохова
Задание 40. Решение уравнений (с десятичными дробями)
В \[\begin{aligned} x + 0{,}7 &= 6{,}9, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{6{,}2}}}}} \\ 4{,}9 - a &= 4{,}4, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}5}}}}} \\ 0{,}05 + c &= 6{,}38, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{6{,}33}}}}} \\ x - 3{,}05 &= 0{,}03, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3{,}08}}}}} \\ y + 0{,}85 &= 8, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{7{,}15}}}}} \\[10pt] b - 1{,}6 &= 2{,}6, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}2}}}}} \\ 0{,}08 + a &= 0{,}09, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}01}}}}} \\ 2{,}25 - x &= 2{,}05, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ c + 0{,}07 &= 2{,}37, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}3}}}}} \\ 5 - y &= 4{,}75, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}25}}}}} \\[10pt] c - 1{,}7 &= 0{,}05, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}75}}}}} \\ 5{,}4 - y &= 4{,}9, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}5}}}}} \\ 1{,}05 + b &= 3, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}95}}}}} \\ 0{,}5 + c &= 1, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}5}}}}} \\ 6{,}7 - y &= 5{,}9, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}8}}}}} \\[10pt] a + 0{,}025 &= 2{,}35, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}325}}}}} \\ 0{,}55 + x &= 6, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{5{,}45}}}}} \\ x - 0{,}54 &= 0{,}6, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}14}}}}} \\ a - 1{,}2 &= 0{,}8, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ b + 0{,}15 &= 10{,}25, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10{,}1}}}}} \\[10pt] 3{,}3 - x &= 3{,}27, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}03}}}}} \\ 2{,}5 + y &= 10, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{7{,}5}}}}} \\ 0{,}27 - b &= 0{,}17, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}1}}}}} \\ y - 0{,}75 &= 9{,}25, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\ 4{,}8 - c &= 3{,}5, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}3}}}}} \end{aligned}\]
Г \[\begin{aligned} x - 1{,}8 &= 2{,}8, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}6}}}}} \\ 0{,}025 + c &= 5{,}2, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{5{,}175}}}}} \\ y - 0{,}25 &= 9{,}75, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{10}}}}} \\ 7 - c &= 6{,}85, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}15}}}}} \\ 0{,}06 + b &= 0{,}07, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}01}}}}} \\[10pt] x + 0{,}4 &= 5{,}9, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{5{,}5}}}}} \\ 3{,}42 - x &= 3{,}02, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}4}}}}} \\ 0{,}25 + a &= 8{,}35, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{8{,}1}}}}} \\ y - 2{,}07 &= 0{,}02, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}09}}}}} \\ c + 0{,}07 &= 5{,}38, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{5{,}31}}}}} \\[10pt] 6{,}3 - x &= 5{,}4, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}9}}}}} \\ c - 0{,}02 &= 0{,}3, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}32}}}}} \\ 4{,}8 - b &= 3{,}7, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}1}}}}} \\ c - 0{,}43 &= 0{,}7, & \quad c &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}13}}}}} \\ 4{,}4 - y &= 4{,}36, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}04}}}}} \\[10pt] a + 0{,}44 &= 5, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}56}}}}} \\ 3{,}5 + b &= 10, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{6{,}5}}}}} \\ 0{,}46 - a &= 0{,}26, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ b + 0{,}35 &= 5, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}65}}}}} \\ y - 0{,}6 &= 2{,}34, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}94}}}}} \\[10pt] a - 1{,}3 &= 0{,}7, & \quad a &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ 0{,}08 + x &= 4{,}28, & \quad x &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}2}}}}} \\ b - 1{,}5 &= 0{,}04, & \quad b &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}54}}}}} \\ 1{,}08 + y &= 4, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}92}}}}} \\ y + 0{,}25 &= 1, & \quad y &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}75}}}}} \end{aligned}\]