Question

 tính 

a)  2,5% + 10,34% ; b) 56,9% - 34,25% ; c) 100% - 23% -47,5% .

 

Answer 1

a)12,84

b)22,65

c)29,5

Answer 2

a) 2,5% + 10,34% = 12,84%

b) 56,9% - 34,25% = 22,65%

c) 100% - 23% - 47,5% = 77% - 47,5%

                                   = 29,5%

Answer 3

a) 2,5%+10.34%=11.84%

b)56.9%-34.25%=22.65%

c)100%-23%-47.5%=29.5%