Question

Efectuați calculele: îmi trebuie ex tot nu doar răspunsul va rog urgent .​

Answer 1

Răspuns:

a. -2/7+5/7=3/7

b. -4/3-70/3= -74/3

c. 9/4+3/4=12/4=3

d. ²⁾1/3-1/6=2/6-1/6=1/6

e. ²⁾(-2/5)+7/10=-4/10+7/10=3/10

f. 5/12+²⁾1/6=5/12+2/12=7/12

g. -1/24-³⁾9/8= -1/24-27/24=(-28/24)⁽⁴= -7/6

h. 4,5-1,5=3

i. -7,7+2,8-9=-13,9