Question

256+x=480
,X+2536=6243,
X-1547=2988,
7281-X=4691,
X:9=72 Xx2=86

(afla numărul necunoscut)
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Answer 1

Răspuns:

256+x=480

x=480-256

x=224

,X+2536=6243

x=6243-2536

x=3707

X-1547=2988

x=2988+1547

x=4535

7281-X=4691

x=7281-4691

x=2590

X:9=72

x=72:9

x=8

Xx2=86

x=86:2

x=43