Răspuns :
Răspuns:
x-3750+3500-375+890=7000
Explicație pas cu pas:
x-(3750+375)+3500+890=7000
x-4125+3500+890=7000
x-4125+4390=7000
x+265=7000
x=6735
a-3750+3500-375+890=7000
a-3750+3500-375=7000-890
=6110
a-3750+3500=6110+375
=6485
a-3750=6485-3500
=2985
a=2985+3750
a=6735
Bafta!!
a-3750+3500-375=7000-890
=6110
a-3750+3500=6110+375
=6485
a-3750=6485-3500
=2985
a=2985+3750
a=6735
Bafta!!