Toán Lớp 4: 40025 – 25000 : 125 : 8 tính nhanh
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Toán Lớp 4: 40025 – 25000 : 125 : 8 tính nhanh
Comments ( 2 )
\begin{array}{*{20}{l}}
\begin{array}{l}
c1)\\
40025 – 25000:125:8\\
= 40025 – 200:8\\
= 40025 – 25\\
= 40000\\
c2)\\
40025 – 25000:125:8
\end{array}\\
{ = {\rm{ }}40025 – 25000:\left( {125 \times 8} \right)}\\
{ = {\rm{ }}40025 – 25000:1000}\\
{ = {\rm{ }}40025 – 25}\\
{ = {\rm{ }}40000}
\end{array}\\
\end{array}\]