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Ajutati.ma va rog ex 9
URGENT!!!!!!!!!!!!!!
Dau COROANA!!!


Ajutatima Va Rog Ex 9 URGENT Dau COROANA class=

Răspuns :

a+116/2=(1991/11-4)/3
a+58=(181-4)/3
a+58=177/3
a+58=59
a=1

b/11-4=(4+112/2)*3
b/11-4=(4+56)*3
b/11-4=60*3
b/11-4=180
b/11=176
b=16
a+b=16+1=17
a+58=(181-4):3
a+58=177:3
a+58=59
a=1

b:11-4=(4+55)x3
b:11-4=59x3
b:11=59x3+4
b:11=181
b=181:11
b=16,45

1+16,45=17,45