x - 0.4 * (1.8x - 1.3x) = 0,8x
16 целых 2/9 - m = 8 целых 5/9 + 4 целых 5/9
146/9 -m= 77/9 + 41/ 9
m=146/9-77/9-41/9
m =28/9
1.4x-0.54=0.3
1.4x=0.3+0.54
x=0.3+0.54/1.4 =0.6
1)
0,8x
2)
16целых 2/9-m=8целых5/9+4 целых 5/9
146/9-m=77/9+41/9
m=28/9
3)
1.4х=0.57
x=0.57:1.4
х=0.6
Поблагодари!
x - 0.4 * (1.8x - 1.3x) = 0,8x
16 целых 2/9 - m = 8 целых 5/9 + 4 целых 5/9
146/9 -m= 77/9 + 41/ 9
m=146/9-77/9-41/9
m =28/9
1.4x-0.54=0.3
1.4x=0.3+0.54
x=0.3+0.54/1.4 =0.6
1)
0,8x
2)
16целых 2/9-m=8целых5/9+4 целых 5/9
146/9-m=77/9+41/9
m=146/9-77/9-41/9
m=28/9
3)
1.4x-0.54=0.3
1.4x=0.3+0.54
1.4х=0.57
x=0.57:1.4
х=0.6
Поблагодари!