7.945*4:5*7+24.693=69.185
1) 7.945*4=31.78
2) 31.78:5=6.356
3) 6.356*7=44.492
4) 44.492+24.693=69.185
30.754-78.484:7*6:4=13.936
1) 78.484:7=11.212
2) 11.212*6= 67.272
3) 67.272:4= 16.818
4) 30.754-16.818= 13.936
2.896:8*9-237*5+5.129=-1176.613
1) 2.896:8=0.362
2) 0.362*9=3.258
3) 237*5=1185
4) 3.258-1185=-1181.742
5) -1181.742+5.129=-1176.613