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CristinaStega
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1650-[145×6+(x-275):5]+25×9=550
Va. rog urgent!Dau coroana si puncte!!!!!

Răspuns :

Rodi11
1650-[145×6+(x-275):5]+25×9=550
1650-[870+(x-275):5]+225=550
1650-[870+(x-275):5]=550-225
1650-[870+(x-275):5]=325
870+(x-275):5=1650-325
870+(x-275):5=1325
(x-275):5=1325-870
(x-275):5=455
x-275=455×5
x-275=2275
x=2275+275
x=2550
Primăvară2017
1650-[145×6+(x-275):5]+25×9=550
1650-[870+(x-275):5]+225=550
1650-[870+(x-275):5]=550-225
1650-[870+(x-275):5]=325
870+(x-275):5=1650-325
870+(x-275):5=1 325
(x-275):5=1 325-870
(x-275):5=455
x-275=455×5
x-275=2 275
x=2 275+275
x=2 550

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