Question

106:6 + 101: 6100:9- 79,3:9 10,6:x +7,19 : x = 3 7:x - 3,9 : x = 5 

Answer 1

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

Answer 2

cau 1=34,5

cau 2 =2,3

cau 3 =5,93

cầu 4 =0,62

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Answer 3

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

Answer 4

\(\frac{1}{6}.106+101.\frac{1}{6}\)=\(\frac{1}{6}.\left(106+101\right)=\frac{1}{6}.207=34.5\)

100.\(\frac{1}{9}-79,3.\frac{1}{9}\)=\(\frac{1}{9}.\left(100-79,3\right)=\frac{1}{9}.20,7=2.3\)