\(a,93784:76-76\times14\)
\(=1234-1064\)
\(=170\)
\(b,10000-\left(93120:24-24\times57\right)\)
\(=10000-\left(3880-1368\right)\)
\(=10000-2512\)
\(=7488\)
Bài ` 19: `
a) ` 93784 : 76 - 76 . 14 `
` = 1234 - 1064 `
` = 170 `
b) ` 10000 - ( 93120 : 24 - 24 . 57 ) `
` = 10000 - ( 3880 - 1368 ) `
` = 10000 - 2512 `
` = 7488 `