10000-47x72-47x28
=10000-47x(72-28)
=10000-47x44
=10000-2068
=7932
10000-47*72-47*28
=10000+[47*(72+28)]
=10000+[47*100]
=10000+4700
=14700
10000-47x72-47x28=5300 ủng hộ m nha!!!
\(\text{10000-47*72-47*28}=5300\)
\(10000-47\times72-47\times28\)
\(=10000-3384-1316\)
\(=6616-1316\)\(=5300\)
tích đúng cho mình nha^^