Tính nhanh :
S= 168/210+138/240+106/272+72/306
bạn nào làm nhanh mình sẽ tick cho
Tính nhanh : A = 364-(364/210+334/240+302/272+268/306+232/342+194/380)
Tính hợp lý nhất
a, 1/210+1/240+1/272+1/306
b, 191/210+161/240+129/272+95/306
giúp mình với huhuhu
Tinh nhanh 191/210+161/240+129/272+95/306
tính nhanh \(A=364-\)(\((\frac{364}{210}+\frac{334}{240}+\frac{302}{272}+\frac{268}{306}+\frac{232}{342}+\frac{194}{380})\)
191/210+161/240+129/272+95/306
1/210+1/240+1/272+1/306
1/210+1/240+1/272+1/306
1/210+1/240+1/272+1/306