Răspuns :
a + b = 284
a - 46 = b
a + a - 46 = 284
2a = 284 + 46
a = 330 : 2
a = 165
b = 165 - 46
b = 119
sau
284 - 46 = 238
238 : 2 = 119 in a doua cutie
119 + 46 = 165 in prima cutie
a - 46 = b
a + a - 46 = 284
2a = 284 + 46
a = 330 : 2
a = 165
b = 165 - 46
b = 119
sau
284 - 46 = 238
238 : 2 = 119 in a doua cutie
119 + 46 = 165 in prima cutie