Question

[nguyễn diệu anh]

Giai giup minh bai toan nay dk ko bai tinh nhanh  

a) (2465-275)-(465-375)

b)20152015.2016-20162016.2015

c)39.24-14/25+39.23

d)33.17+36/31.19+8

e)(2+4+6+...+100).(36333-108.111)

g)2003.14+1988+2001.2002/2002+2002.503+504.2002