Toán Lớp 6: 10) 23.87 + 77.16+ 77.24 – 23.37
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Toán Lớp 6: 10) 23.87 + 77.16+ 77.24 – 23.37
giúp mình nha
Comments ( 2 )
23.87 + 77.16 + 77.24 – 23.37\\
= \left( {23.87 – 23.37} \right) + (77.16 + 77.24)\\
= 23\left( {87 – 37} \right) + 77\left( {16 + 24} \right)\\
= 23.50 + 77.40\\
= 1150 + 3080\\
= 4230
\end{array}\]