a) \(\frac{3}{5}\times\frac{5}{7}=\frac{3\times5}{5\times7}=\frac{15}{35}=\frac{3}{7}\)
b) 4674 : 82 = 57
c) 10592 + 79438 = 90030
Đề bài: Tính:
a, 3/5x 5/7
=2/7
b, 4674: 82
=57
c, 10592+ 79438
=90030
a,\(\frac{3}{5}\times\frac{5}{7}=\frac{3\times5}{5\times7}=\frac{3}{7}\)
b,4674:82=57
c,10592+79438=90030
a. \(\frac{3}{5}\). \(\frac{5}{7}\)=\(\frac{3}{7}\)
b. 4674 : 82 =57
c. 10592+79438 = 90030
a,\(\frac{3}{5}x\frac{5}{7}\)=\(\frac{15}{35}=\frac{3}{7}\)
b, 4674 : 82 = 57
c, 10592 + 79438 = 90030
Chúc bạn học tốt ~<>
a) 3/5 x 5/7 = 3/7
b) 4674 : 82 = 57
c) 10592 + 79438 = 90030
~HOK TỐT~
Bùi Mai 4A:
a) \(\frac{3}{5}\times\frac{5}{7}=\frac{3\times1}{1\times7}=\frac{3}{7}\) (Đây là rút gon đi nhé!)
b) \(4674:82=57\)
c) 10592 + 79438 = 90030
Tham khảo nha!