123456789+(-123456789)+0+987654321+(-987654321)=?
so sánh M và N
M=\(\frac{2013}{123456789}+\frac{2014}{987654321}\)
N=\(\frac{2014}{123456789}+\frac{2013}{987654321}\)
123456789+987654321=?
123456789 + 987654321 = ?
987654321+123456789
987654321-123456789
987654321*123456789*543216789*111+6
tĩm biết
x + 123456789 = 987654321
tính
123456789+987654321= .................
65421-532=..................