2класс

Страница 25, ГДЗ по математике за 2 класс к тренажёру Погореловой

Выберите номер:
3 4

Вычисления вида 26 + 7, 35 − 7

3. Выполни вычитание.

\[\begin{aligned} 46 - 8 &= \textcolor{#e03131}{\mathbf{38}} & \qquad 83 - 8 &= \textcolor{#e03131}{\mathbf{75}} & \qquad 51 - 6 &= \textcolor{#e03131}{\mathbf{45}} \\ 91 - 4 &= \textcolor{#e03131}{\mathbf{87}} & \qquad 35 - 6 &= \textcolor{#e03131}{\mathbf{29}} & \qquad 73 - 4 &= \textcolor{#e03131}{\mathbf{69}} \\ 55 - 9 &= \textcolor{#e03131}{\mathbf{46}} & \qquad 52 - 7 &= \textcolor{#e03131}{\mathbf{45}} & \qquad 96 - 7 &= \textcolor{#e03131}{\mathbf{89}} \\ 37 - 8 &= \textcolor{#e03131}{\mathbf{29}} & \qquad 76 - 9 &= \textcolor{#e03131}{\mathbf{67}} & \qquad 44 - 8 &= \textcolor{#e03131}{\mathbf{36}} \\ 64 - 6 &= \textcolor{#e03131}{\mathbf{58}} & \qquad 94 - 6 &= \textcolor{#e03131}{\mathbf{88}} & \qquad 82 - 5 &= \textcolor{#e03131}{\mathbf{77}} \\ 42 - 3 &= \textcolor{#e03131}{\mathbf{39}} & \qquad 47 - 9 &= \textcolor{#e03131}{\mathbf{38}} & \qquad 65 - 9 &= \textcolor{#e03131}{\mathbf{56}} \\ 78 - 9 &= \textcolor{#e03131}{\mathbf{69}} & \qquad 61 - 5 &= \textcolor{#e03131}{\mathbf{56}} & \qquad 37 - 8 &= \textcolor{#e03131}{\mathbf{29}} \\ 53 - 4 &= \textcolor{#e03131}{\mathbf{49}} & \qquad 67 - 9 &= \textcolor{#e03131}{\mathbf{58}} & \qquad 82 - 3 &= \textcolor{#e03131}{\mathbf{79}} \end{aligned}\]

4. Вставь пропущенные числа.

\[\begin{aligned} 64 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 57 & \qquad 26 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 17 & \qquad 52 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 47 \\ 21 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} &= 18 & \qquad 73 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 65 & \qquad 34 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 28 \\ 55 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 46 & \qquad 43 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 38 & \qquad 97 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 89 \\ 32 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 25 & \qquad 81 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 74 & \qquad 61 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 55 \\ 76 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 69 & \qquad 55 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 47 & \qquad 45 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 36 \\ 43 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 35 & \qquad 94 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 88 & \qquad 78 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 69 \\ 87 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 78 & \qquad 67 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 59 & \qquad 53 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 45 \\ 94 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 89 & \qquad 52 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 44 & \qquad 86 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 77 \\ 54 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 47 & \qquad 32 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 27 & \qquad 62 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 56 \end{aligned}\]

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