\(2569+354+78\)
\(=2923+78\)
\(=3001\)
\(2493-346+95\)
\(=2147+95\)
\(=2242\)
\(58+632-458\)
\(=690-458\)
\(=232\)
2569+354+78=3001
2493-346+95=2242
58+632-458=232
Trả lời :
2569 + 354 + 78 = 3001
2493 - 346 + 95 = 2242
58 + 632 - 458 = 232
\(2569+354+78\)
\(=\left(2569+354\right)+78\)
\(=2923+78\)
\(=3001\)