\(\text{a) 1,2-x+0,7=0,95}\)
\(x=0,95\)
\(\text{b) 4,45-3,6+x=0,98}\)
\(x=0,13\)
k nha
\(\text{a) 1,2-x+0,7=0,95}\)
\(12-x+0,7=0,95\)
\(12-x=0,95-0,7\)
\(12-x=0,25\)
\(x=12-0,25\)
\(x=11,75\)
\(\text{b) 4,45-3,6+x=0,98}\)
\(0,85+x=0,98\)
\(x=0,98-0,85\)
\(x=0,13\)
Đảm bảo 100%