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Am nevoie de ajutor urgent la:
a+190+190:10=300
575-b ori 32-45=50
Ofer coroana


Răspuns :

a=300-190+19 a=300-209 a=91
probă: 91+190+190:10=300
a+190+  190:10 =300
a+190+ 19=300
a+190=300-19=281
a+190=281
a=281-190
a=91

575- bx32 -45=50
575- bx32=50+45
575-bx32=95
575-95=bx32
480=bx32
b=480:32=15
b=15