Question

Wykonaj działania
2 3/4*(-1,4)-4
23 1/2-1/2*(3,6-2*1 3/(5 )

25*51/7+17*3 8/9

Answer 1

2,75*(-1,4)-4=-3,85-4= -7,85
23,5-0,5(3,6-2*1,6)=23,5-0,5(3,6-3,2)=23,5-0,5*0,4=23,5-0,2=23,3
25*36/7+17*35/9=900/7+595/9=8100/63+4165/63=12265/63=
194 ⁴³/₆₃