5класс

Страница 48, ГДЗ за 5 класс к математическому тренажеру Жохова

Задание 27. Сложение и вычитание десятичных дробей

27. Выполни сложение и вычитание.

А \[\begin{aligned} 2{,}1 + 0{,}4 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}5}}}}} \\ 1{,}9 - 0{,}7 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}2}}}}} \\ 0{,}03 + 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}23}}}}} \\ 3 - 2{,}6 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}4}}}}} \\ 0{,}05 + 0{,}03 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}08}}}}} \\[10pt] 0{,}08 + 0{,}4 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}48}}}}} \\ 1 - 0{,}1 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}9}}}}} \\ 0{,}3 + 0{,}6 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}9}}}}} \\ 0{,}09 - 0{,}01 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}08}}}}} \\ 0{,}3 + 0{,}02 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}32}}}}} \\[10pt] 6{,}2 - 5 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}2}}}}} \\ 0{,}32 - 0{,}11 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}21}}}}} \\ 0{,}05 - 0{,}03 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}02}}}}} \\ 1{,}5 + 0{,}5 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ 7 + 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{7{,}2}}}}} \\[10pt] 2{,}5 - 0{,}4 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}1}}}}} \\ 0{,}1 + 0{,}05 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}15}}}}} \\ 0{,}22 - 0{,}1 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}12}}}}} \\ 0{,}09 + 0{,}5 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}59}}}}} \\ 0{,}2 + 0{,}8 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} \\[10pt] 3 + 0{,}1 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3{,}1}}}}} \\ 4{,}7 - 2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}7}}}}} \\ 0{,}05 + 0{,}01 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}06}}}}} \\ 5{,}9 - 4{,}8 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}1}}}}} \\ 7{,}5 - 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{7{,}3}}}}} \end{aligned}\]

Б \[\begin{aligned} 0{,}14 + 0{,}03 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}17}}}}} \\ 0{,}6 + 0{,}3 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}9}}}}} \\ 0{,}06 - 0{,}01 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}05}}}}} \\ 0{,}4 + 0{,}05 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}45}}}}} \\ 5 - 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}8}}}}} \\[10pt] 1 - 0{,}8 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}2}}}}} \\ 0{,}06 + 0{,}3 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}36}}}}} \\ 0{,}24 - 0{,}11 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}13}}}}} \\ 0{,}3 + 1{,}7 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\ 4{,}5 - 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}3}}}}} \\[10pt] 0{,}04 + 0{,}1 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}14}}}}} \\ 0{,}46 - 0{,}12 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}34}}}}} \\ 7{,}9 - 4 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3{,}9}}}}} \\ 0{,}28 + 0{,}12 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}4}}}}} \\ 0{,}09 - 0{,}03 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}06}}}}} \\[10pt] 0{,}04 + 0{,}5 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}54}}}}} \\ 0{,}38 - 0{,}16 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}22}}}}} \\ 0{,}45 + 0{,}55 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} \\ 6{,}8 - 2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{4{,}8}}}}} \\ 0{,}06 + 0{,}04 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}1}}}}} \\[10pt] 1{,}5 - 0{,}4 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}1}}}}} \\ 2{,}1 + 0{,}6 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}7}}}}} \\ 2 - 1{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}8}}}}} \\ 0{,}02 + 0{,}05 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}07}}}}} \\ 0{,}1 + 0{,}04 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}14}}}}} \end{aligned}\]

В \[\begin{aligned} 2{,}3 + 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}5}}}}} \\ 1{,}8 - 0{,}5 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1{,}3}}}}} \\ 0{,}04 + 0{,}03 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}07}}}}} \\ 4 - 3{,}4 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}6}}}}} \\ 0{,}05 + 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}25}}}}} \\[10pt] 0{,}2 + 0{,}01 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}21}}}}} \\ 3 - 0{,}1 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}9}}}}} \\ 0{,}2 + 0{,}7 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}9}}}}} \\ 0{,}08 - 0{,}03 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}05}}}}} \\ 0{,}22 + 0{,}04 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}26}}}}} \\[10pt] 5{,}7 - 3 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2{,}7}}}}} \\ 0{,}08 + 0{,}1 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}18}}}}} \\ 0{,}07 - 0{,}02 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}05}}}}} \\ 0{,}65 + 0{,}35 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{1}}}}} \\ 7{,}4 - 0{,}2 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{7{,}2}}}}} \\[10pt] 3{,}8 - 0{,}3 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3{,}5}}}}} \\ 0{,}37 - 0{,}14 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}23}}}}} \\ 0{,}2 + 0{,}05 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}25}}}}} \\ 1 - 0{,}6 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}4}}}}} \\ 1{,}6 + 0{,}4 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{2}}}}} \\[10pt] 9{,}8 - 6 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{3{,}8}}}}} \\ 0{,}7 + 0{,}02 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}72}}}}} \\ 0{,}55 - 0{,}21 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}34}}}}} \\ 0{,}07 + 0{,}03 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}1}}}}} \\ 0{,}13 + 0{,}37 &= \boxed{\smash[b]{\underset{\hspace{3.5em}}{\textcolor{#e03131}{\mathbf{0{,}5}}}}} \end{aligned}\]

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