Question

determine o valor de cada expressão a)25-3.2+28.3-14= b)5.(14-2.6)+17= c)19+(8.5.2+2.8)-7= d)(14-7.1)+5.(9+4)= e)23+(100+10.90).(8.7-78)=

Answer 1

a)25-6+84= 89
b) 5. (14-12) +17 = 5.2+17= 10+17=27
c) 19+(80+16)-7 = 19+96-7 = 108
d)7+5.36= 7+150=187
e)23+(100+900).(56-78) = 23+ 900.(-22) = 23-19,800= -19,777 
 
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