Rozwiąż działania. Podaj rozwinięcie obliczeniowe.
np. 2*2+5*3=4+15=19
1. (-3)³ + √49 + √5²-4² + √144 =?
2. √4 · √49 + ³√27 =?
3. ³√8 - ( ³√125 + √4) =?
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1. (-3)³ + √49 + √5²-4² + √144= -27 + 7 + 5 - 16 + 12 = -19
(-3) * (-3)* (-3) + 7 + √25 - ( 4 * 4 ) + 12 * 12 = 19
2. √4 · √49 + ³√27 = 2·7 + 3 = 14 + 3 = 17
3. ³√8 - ( ³√125 + √4)= 2 - ( 5 + 2 ) = 2 - 7 = - 5
Rob tak jak ja na początku . :ddd