7 6 1 4 2 5 3
0,51+0,8*(5:4+38:1,9+91,2:15,2)=22,31
1) 5: 4 = 1,25
2) 38: 1,9 = 380: 19 = 20
3) 91,2: 15,2 = 912:152 = 6
4) 1,25+20 = 21,25
5) 6+21,25 = 27,25
6) 0,8 * 27,25 = 21,8
7) 0,51 + 21,8 = 22,31
7 6 1 4 2 5 3
0,51+0,8*(5:4+38:1,9+91,2:15,2)=22,31
1) 5: 4 = 1,25
2) 38: 1,9 = 380: 19 = 20
3) 91,2: 15,2 = 912:152 = 6
4) 1,25+20 = 21,25
5) 6+21,25 = 27,25
6) 0,8 * 27,25 = 21,8
7) 0,51 + 21,8 = 22,31
2)38÷1,9=20
3)91,25÷15,2=6
4)1,25+20+6=27,25
5)0,8×27,25=21,8
6)0,51+21,8=72,8