Tính hợp lý: a) 252525.4 – 999999 b) 250025.4 – 500050.2
Giải thích
a) 252525.4 – 999999 = 25.10101.4 – 99.10101 = 10101.(100 – 99) = 10101
b) 250025.4 – 500050.2 = 25.4.10001 – 50.2.10001 = 100.10001 – 100.10001 = 0
a) 252525.4 – 999999 = 25.10101.4 – 99.10101 = 10101.(100 – 99) = 10101
b) 250025.4 – 500050.2 = 25.4.10001 – 50.2.10001 = 100.10001 – 100.10001 = 0