Evelina23ask
a fost răspuns

va rog ajutati-ma  cu acest ex.
1,2+{[tex] 1\frac{1}{4} -3 \frac{1}{7} *[-2 \frac{1}{7} -3,(3)][/tex]}

Răspuns :

Mihaelapask
12/10 + {5/4 - 22/7 * |-15/7 + 33/10|} = 12/10 + {5/4 - 22/7 *| -150/70 + 231/70|} = 12/10 + {5/4 - 22/7 * 81/70} = 12/10 + { 5/4 - 1782/490} = 12/10 + {1225/980 - 3564/980} = 12/10
- 2339/980 = 1176/980 - 2339/980 = - 1163/980

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