Iasminchristianask
a fost răspuns

222 plus 78 minus A minus 150 plus 3.650 egal 4.000​

Răspuns :

Cristiy700ask

Răspuns:

222+78-A-150+3650=4000

222+78-A-150=4000-3650

300-A-150=350

300+A=350+150

300+A=500

A=500-300

A=200
222+78-a-150+3650=4000
222+78-a-150=4000-3650
300-a-150=350
300-a=350+150
300-a=500
-a=500-300
-a=200 | x(-1)
a= -200

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