Răspuns :

1.

X - 509 = 143

X=509 + 143

X=652

2.

X-273 = 191

X=191 +273

X=464

3.

X-689 = 197

X=689 + 197

X=886

4.

X - 113 = 124​

X=113 + 124

X=237

Daniel201793id

Răspuns:

x=652

x=464

x=886

x=237

Explicație pas cu pas:

  • x-509=143
  • x=143+509
  • x=652
  • v:652-509=143✔

  • x-273=191
  • x=191+273
  • x=464
  • v:464-273=191✔

  • x-689=197
  • x=197+689
  • x=886
  • v:886-689=197✔

  • x-113=124
  • x=124+113
  • x=237
  • v:237-113=124✔

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