5класс

Страница 65, ГДЗ за 5 класс к математическому тренажеру Жохова

Задание 39. Все арифметические действия с десятичными дробями

Страница 65.

В \[\begin{aligned} &\boxed{10 =} \\[4pt] &\begin{aligned} \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{12{,}8}}}}} &- 2{,}8 \\ 0{,}5 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{20}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{9{,}6}}}}} &+ 0{,}4 \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{13{,}5}}}}} &: 1{,}35 \\ 9{,}25 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}75}}}}} \\[10pt] \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{25}}}}} &\cdot 0{,}4 \\ 0{,}01 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{9{,}99}}}}} \\ 2{,}4 &: \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}24}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}05}}}}} &+ 9{,}95 \\ 2{,}5 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{4}}}}} \\[10pt] 0{,}1 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{100}}}}} \\ 9{,}8 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ 17 &: \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{1{,}7}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{50}}}}} &\cdot 0{,}2 \\ 5{,}6 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{4{,}4}}}}} \\[10pt] 100 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}1}}}}} \\ 0{,}25 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{40}}}}} \\ 7{,}8 &: \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}78}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} &: 0{,}1 \\ 4 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{2{,}5}}}}} \\[10pt] \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{8{,}5}}}}} &+ 1{,}5 \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{12}}}}} &: 1{,}2 \\ 6{,}5 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{3{,}5}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{8}}}}} &\cdot 1{,}25 \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{10{,}02}}}}} &- 0{,}02 \end{aligned} \end{aligned}\]

Г \[\begin{aligned} &\boxed{0{,}5 =} \\[4pt] &\begin{aligned} 7 &: \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{14}}}}} \\ 50 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}01}}}}} \\ 0{,}01 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}49}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{50}}}}} &\cdot 0{,}01 \\ 1 &: \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\[10pt] \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} &\cdot 0{,}5 \\ 1 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}5}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}05}}}}} &+ 0{,}45 \\ 2{,}5 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}05}}}}} &: 0{,}1 \\[10pt] 2{,}1 &- \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{1{,}6}}}}} \\ 5 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}1}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} &: 2 \\ 0{,}15 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}35}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{5}}}}} &\cdot 0{,}1 \\[10pt] 0{,}3 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{5}}}}} &: 10 \\ 0{,}8 &- \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}3}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}02}}}}} &\cdot 25 \\ 2 &: \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{4}}}}} \\[10pt] 3{,}7 &- \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{3{,}2}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}45}}}}} &+ 0{,}05 \\ 10 &\cdot \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}05}}}}} \\ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}005}}}}} &: 0{,}01 \\ 0{,}04 &+ \boxed{\smash[b]{\underset{\hspace{2.5em}}{\textcolor{#e03131}{\mathbf{0{,}46}}}}} \end{aligned} \end{aligned}\]

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