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1,44:0,75[1:1,25+0,275:1,25:(0,04+1:25+1:125)]=

Răspuns :

1,44:0,75[0,8+0,275:1,25:(0,04+0,04+0,008)]=
=1.44:0.75(0.8+0.275:1.25:0.088)=
=1.44:0.75(0.8+2.5)=
=1.44:0.75*3.3=
=6.336