Question

Tính giá trị biểu thức:

A. (3,855 + 6,005) * 2

B. 8,3 * 9,7 - 6,9 : 2,3

C.(59,6 + 19,44) * 2

D.3,4 * 5 + 12,3 : 4

Answer 1

\(\text{(3,855 + 6,005) }\times2\)

\(9,89\times2=19,78\)

 

Answer 2

\(8,3\text{× }9,7-6,9:2,3\)

\(80,51-3\)

\(77,51\)

Answer 3

\(\text{(59,6 + 19,44)}\times2\)

\(79,04\times2\)

\(158,08\)

Answer 4

\(3,4\times5+12,3:4\)

\(17+3,075=20,075\)