Răspuns :
Răspuns:
-180
Explicație pas cu pas:
4+2/5×[5/4-2×(1/5)²]
4+2/5×(5/4-2×2/5)
4+2/5×(5/4-12/5)
4+2/5×(25/20-48/20)
4+2/5×(-23/20)
4+8/20×(-23/20)
4+(-184)
4-184
-180
Răspuns:
-180
Explicație pas cu pas:
4+2/5×[5/4-2×(1/5)²]
4+2/5×(5/4-2×2/5)
4+2/5×(5/4-12/5)
4+2/5×(25/20-48/20)
4+2/5×(-23/20)
4+8/20×(-23/20)
4+(-184)
4-184
-180