A

lx

chắc bị lỗi ấy chị

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HÌNH NHƯ THÌ LÀ KHÔNG ĐƯỢC HỎI HAY SAO Ý

=\(\dfrac{1}{4}:\dfrac{3}{2}-\dfrac{5}{13}:\dfrac{10}{3}\)

=\(\dfrac{1}{6}-\dfrac{3}{26}\)

=\(\dfrac{2}{39}\)

1) 

a) =41076

b) 137,9846

c) 196910

d) 142,0714

e) 133,0666

x) 410910

z) 26864

2) x.456=325

x=325:456

x=\(\dfrac{325}{456}\)

1792:x=64

x=1792:64

x=28

42.x=1428

x=1428:42

x=34

x.16=9792

x=9792:16

x=612

X=\(\dfrac{7}{2}\)

\(\dfrac{3}{5}-\dfrac{1}{2}:\dfrac{3}{2}x=-1\)

=\(\dfrac{3}{5}-\dfrac{1}{3}x=-1\)

=\(\dfrac{1}{3}x=-1-\dfrac{3}{5}\)

=\(\dfrac{1}{3}x=-\dfrac{8}{5}\)

=\(x=-\dfrac{8}{5}:\dfrac{1}{3}\)

=\(x=\dfrac{-24}{5}\)