Страница 16, ГДЗ по математике за 1-4 класс к контрольным работам Волковой. Школа России

\[\begin{aligned} &\begin{aligned} 1) & & 8 + 7 &= \textcolor{#e03131}{\mathbf{15}} & \quad 5 + 6 &= \textcolor{#e03131}{\mathbf{11}} & \quad 8 + 8 &= \textcolor{#e03131}{\mathbf{16}} & \quad 17 - 9 &= \textcolor{#e03131}{\mathbf{8}} \\ & & 9 + 9 &= \textcolor{#e03131}{\mathbf{18}} & \quad 6 + 8 &= \textcolor{#e03131}{\mathbf{14}} & \quad 15 - 6 &= \textcolor{#e03131}{\mathbf{9}} & \quad 11 - 3 &= \textcolor{#e03131}{\mathbf{8}} \end{aligned} \\[10pt] &\begin{aligned} 2) & & 7 + (12 - 3) &= \textcolor{#e03131}{\mathbf{16}} & \quad 7 + 6 - 4 &= \textcolor{#e03131}{\mathbf{9}} \end{aligned} \end{aligned}\]

\[\begin{aligned} &\begin{aligned} 1) & & 8 + 9 &= \textcolor{#e03131}{\mathbf{17}} & \quad 9 + 5 &= \textcolor{#e03131}{\mathbf{14}} & \quad 7 + 6 &= \textcolor{#e03131}{\mathbf{13}} & \quad 13 - 4 &= \textcolor{#e03131}{\mathbf{9}} \\ & & 6 + 7 &= \textcolor{#e03131}{\mathbf{13}} & \quad 4 + 8 &= \textcolor{#e03131}{\mathbf{12}} & \quad 9 + 3 &= \textcolor{#e03131}{\mathbf{12}} & \quad 12 - 5 &= \textcolor{#e03131}{\mathbf{7}} \end{aligned} \\[10pt] &\begin{aligned} 2) & & 8 + 3 - 2 &= \textcolor{#e03131}{\mathbf{9}} & \quad 4 + (14 - 7) &= \textcolor{#e03131}{\mathbf{11}} \end{aligned} \end{aligned}\]

\[\begin{aligned} &\begin{aligned} 1) & & 7 + 9 &= \textcolor{#e03131}{\mathbf{16}} & \quad 5 + 8 &= \textcolor{#e03131}{\mathbf{13}} & \quad 6 + 6 &= \textcolor{#e03131}{\mathbf{12}} & \quad 16 - 7 &= \textcolor{#e03131}{\mathbf{9}} \\ & & 8 + 6 &= \textcolor{#e03131}{\mathbf{14}} & \quad 3 + 8 &= \textcolor{#e03131}{\mathbf{11}} & \quad 9 + 2 &= \textcolor{#e03131}{\mathbf{11}} & \quad 11 - 5 &= \textcolor{#e03131}{\mathbf{6}} \end{aligned} \\[10pt] &\begin{aligned} 2) & & 7 + (10 - 4) &= \textcolor{#e03131}{\mathbf{13}} & \quad 8 + 8 - 9 &= \textcolor{#e03131}{\mathbf{7}} \end{aligned} \end{aligned}\]