Cho A=\(\frac{40}{31.38}+\frac{35}{39.46}+\frac{30}{2392}+\frac{25}{2962}\) và B=\(\frac{91}{19.31}+\frac{65}{19.43}+\frac{39}{989}+\frac{143}{1311}\).Tìm \(\frac{A}{B}\)
Tìm tỉ số giữa A và B, biết:
\(A=\frac{40}{31.39}+\frac{35}{39.46}+\frac{30}{46.52}+\frac{25}{52.57};B=\frac{91}{19.31}+\frac{65}{19.43}+\frac{39}{23.43}+\frac{143}{69.19}\)
Tính tổng:
E =\(\frac{40}{31.38}+\frac{35}{39.46}+\frac{30}{2392}+\frac{25}{2962}\)
F =\(\frac{91}{19.31}+\frac{65}{19.43}+\frac{39}{989}+\frac{143}{1311}\)
Tính tổng:
E =\(\frac{40}{31.38}+\frac{35}{39.46}+\frac{30}{2392}+\frac{25}{2962}\)
F =\(\frac{91}{19.31}+\frac{65}{19.43}+\frac{39}{989}+\frac{143}{1311}\)
Cho A= \(\frac{40}{31.38}\)+\(\frac{35}{39.45}\)+ \(\frac{30}{2392}\)+ \(\frac{25}{2962}\)
B= \(\frac{91}{19.31}\)+\(\frac{65}{19.43}\)+\(\frac{39}{989}\)+\(\frac{143}{1311}\)
Tính \(\frac{A}{B}\)
Tìm tỉ số \(\frac{A}{B}\) biết:
a) \(A=\frac{4}{31.7}+\frac{6}{7.41}+\frac{9}{10.41}+\frac{7}{10.57}\) ; \(B=\frac{7}{19.31}+\frac{5}{19.43}+\frac{3}{23.43}+\frac{11}{23.57}\)
b) \(A=\frac{40}{31.39}+\frac{35}{39.46}+\frac{30}{46.52}+\frac{25}{52.57}\); \(B=\frac{91}{19.31}+\frac{65}{19.43}+\frac{39}{23.43}+\frac{143}{69.19}\)
Tính tỉ số A/B biết A= 40/31.38+35/39.46+30/2392+25/2962 và B=91/19.31+65/19.43+39/989+143/1311
tính nhanh
A= 40/31.38 + 35/39.46 + 30/2392 + 25/2962
B= 91/19.31 + 65/19.43 + 39/989 + 143/1311
Cho A =40/31.38 + 35/39.46 + 30/2392 + 25/2962
B=91/19.31 + 65/19.43 + 39/989 + 143/1311
Tính A/B