Question

calculati: d)2×{2,5-[0,6×(18,2×3,5-51,5)-0,02]:3,65}
e) 16,3312:4,72
f)238,6-59,7
urgent!!!

Answer 1

d)
2×{2,5-[0,6×(18,2×3,5-51,5)-0,02]:3,65}=
2×{2,5-[0,6×(63,7-51,5)-0,02]:3,65}=
2×[2,5-(0,6×12,2-0,02):3,65]=
2×[2,5-(7,32-0,02):3,65]=
2×(2,5-7,3:3,65)=
2×(2,5-2)=
2×0,5=
1



e) 16,3312:4,72 = 3,46



f)238,6-59,7=178,9