1. a) 320.014
b) 909.018.101
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2. 24-> XXIV
145-> CXLV
678->DCLXXVIII
1999->MCMXCIX
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3. 134.211-> 134.210
322.524-> 322.520
1.534.255-> 1.534.260
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4. a) 245+234•245-245•198=
= 245+(234-198)•245=
=245+36•245=
=245+ 8.820=
=9.065 (aici nu știu cât de corect e)
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5. NU MA PRICEP
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6.
a) 5⁸•5¹⁷:5²⁵=
5²⁵:5²⁵=
5⁰ sau 1 (număr natural)
b) 123¹²³•123¹²³:123²⁴⁴=
123²⁴⁶:123²⁴⁴=
123²
c) 10⁴=1.000
d) 2¹⁰= 1.024
e) 1.356¹=1.356
f) 1.546.221⁰=1
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7.
[2⁴+2•(2⁸-2⁸¹:2⁷⁴)]:16=
[2⁴+2•(2⁸-2⁷)]:16=
(2⁴+2•2¹):16=
(16+2•2):16=
(16+4):16=
20:16=1,25
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8. ÎL POȚI REZOLVA PE CALCULATOR
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9.
a) 5³+6³+7³+11³=
(5+6+7+11)³
29³
b) NU ȘTIU CE SA ZIC CA NU AM FACUT EXERCIȚII CA ASTEA
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