a) 85793 - 36841 + 3826 = 48952 + 3826 = 52778

Nháp:

b) \(\frac{84}{100}\) - \(\frac{29}{100}\) + \(\frac{30}{100}\) = \(\frac{84 - 29}{100}\) + \(\frac{30}{100}\) = \(\frac{55}{100}\) + \(\frac{30}{100}\) = \(\frac{55 + 30}{100}\) = \(\frac{85}{100}\)

c) 325,97 + 86,54 + 103,46 = 412,51 + 103,46 = 515,97.

Nháp: