2 câu trả lời
-35+285.(4356+524-2163)
=-35+285.(4356+524-13)
=-35+285.(4142-1442)
=-35+285.914
=-35+185
=-3
-3/5+28/5.(43/56+5/24-21/63)
=>-3/5+28/5.(43/56+5/24-1/3)
=>-3/5+28/5.9/14
=>-3/5+18/5
=>3
chúc bạn học tốt
-35+285.(4356+524-2163)
=-35+285.(4356+524-13)
=-35+285.(4142-1442)
=-35+285.914
=-35+185
=-3
-3/5+28/5.(43/56+5/24-21/63)
=>-3/5+28/5.(43/56+5/24-1/3)
=>-3/5+28/5.9/14
=>-3/5+18/5
=>3
chúc bạn học tốt