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thanks5640
19.09.2019 •
Mathematics
If a number is a natural number, then it is rational
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Ответ:
for example 3 is a natural number and its also rational because it can be written in the form a/b ( that is 3/1).
Ответ:
Step-by-step explanation:
∠VRW and ∠TRS form a pair of vertical angles then they are congruent
therefore
3x = x + 40
⇔
2x = 40
⇔
x = 20