Question

Tính bằng cách thuận tiện:12,5:0,25+12,5:0,125-25

Answer 1

\(12,5:0,25+12,5:0,125-25\)

\(=12,5:\left(0,25-0,125\right)-25\)

\(=12,5:0,125-25\)

\(=100-25\)

\(=75\)

Answer 2

\(12,5:0,25+12,5:0,125-25\)

\(=12,5:\left(0,25-0,125\right)-25\)

\(=12,5:0,125-25\)

\(=100-25\)

\(=75\)

Answer 3

32*1,2+430*0,12+2,5*12