Question

làm câu nào cũng dc nha 

Answer 1

a) \(3.5^2+15.2^2-26:2\)
\(\Rightarrow3.25+15.4-13\)
\(\Rightarrow75+60-13\)
\(\Rightarrow122\)
b) \(5^3.2-100:4+2^3.5\)
\(\Rightarrow125.2-25+8.5\)
\(\Rightarrow250-25+40\)
\(\Rightarrow265\)
c) \(6^2:9+50.2-3^3.3\)
\(\Rightarrow36:9+100-27.3\)
\(\Rightarrow4+100-81\)
\(\Rightarrow23\)
d) \(3^2.5+2^3.10-81:3\)
\(\Rightarrow9.5+8.10-27\)
\(\Rightarrow45+80-27\)
\(\Rightarrow98\)
e) \(5^{13}:5^{10}-25.2^2\)
\(\Rightarrow5^3-25.4\)
\(\Rightarrow125-100\)
\(\Rightarrow25\)
f) \(20:2^2+5^9:5^8\)
\(\Rightarrow20:4+5\)
\(\Rightarrow5+5\)
\(\Rightarrow10\)