Giải bài 1 trang 155 - SGK Toán lớp 3
Tính:
\(\dfrac{\begin{align} & \,\,\,64827 \\ & + \\ & \,\,\,21957 \\ \end{align}}{\,\,\,\,} \) \(\dfrac{\begin{align} & \,\,\,86149 \\ & + \\ & \,\,\,12735 \\ \end{align}}{\,\,\,\,} \)
\(\dfrac{\begin{align} & \,\,\,37092 \\ & + \\ & \,\,\,35864 \\ \end{align}}{\,\,\,\,} \) \(\dfrac{\begin{align} & \,\,\,72468 \\ & + \\ & \,\,\,\,\,\,6829 \\ \end{align}}{\,\,\,\,} \)
\(\dfrac{\begin{align} & \,\,\,64827 \\ & + \\ & \,\,\,21957 \\ \end{align}}{\,\,\,\,86784} \) \(\dfrac{\begin{align} & \,\,\,86149 \\ & + \\ & \,\,\,12735 \\ \end{align}}{\,\,\,\,98884} \)
\(\dfrac{\begin{align} & \,\,\,37092 \\ & + \\ & \,\,\,35864 \\ \end{align}}{\,\,\,\,72956} \) \(\dfrac{\begin{align} & \,\,\,72468 \\ & + \\ & \,\,\,\,\,\,6829 \\ \end{align}}{\,\,\,\,\,79297} \)