1.106:6+101:6
=(106+101):6
=207:6
=34,5
2.100:9-79,3:9
=(100-79,3):9
=20,7:9
=2,3
3.10,6:x+7,19:x=3
(10,6+7,19):x=3
17,79:x=3
x=17,79:3
x=5,93
4.7:x-3,9:x=5
(7-3,9):x=5
3,1:x=5
x=3,1:5
x=0,62
cau 1=34,5
cau 2 =2,3
cau 3 =5,93
cầu 4 =0,62
CÁC BAN THẤY DÚNG K CHO MINH 1 K DI
106:6+101:6
=(106+101):6
=207:6
=34,5
100:9-79,3:9
=(100-79,3):9
=20,7:9
=2,3
\(\frac{1}{6}.106+101.\frac{1}{6}\)=\(\frac{1}{6}.\left(106+101\right)=\frac{1}{6}.207=34.5\)
100.\(\frac{1}{9}-79,3.\frac{1}{9}\)=\(\frac{1}{9}.\left(100-79,3\right)=\frac{1}{9}.20,7=2.3\)
