Idees prèvies SA CA II
Authored by JORDI TUR TORRES
Mathematics
Professional Development
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Els nombres naturals (N), són aquells nombres positius i el zero.
Vertader
Fals
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Els nombres enters (Z), comprenen únicament nombres negatius.
Vertader
Fals
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Els nombres racionals (Q), inclouen també els nombres fraccionaris.
Vertader
Fals
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aplicant la regla dels signes, calcula (+4) - (-5) = __
+9
-9
+1
-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aplicant la regla dels signes, calcula (-8) - (-2) = __
-6
-10
+6
+10
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aplicant la regla dels signes, calcula (-8) x (-5) = __
-40
-13
-45
+40
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aplicant la regla dels signes, calcula (+7) x (-7) = __
+49
-14
-49
+14
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