40450:х=7621-7571
40450:х=50
х=40450:50
<span>х=<span>809
40450:809=7621-7571</span></span>
Y=-3.69/1.8 получим
Y=-2.05
1. 7146+12854=20000
2.20000×820=10547420
...
1. 1648276-693276=955000
2.955000:500=1910
...
1. 702319-697319=5000
2. 3000000:5000=6000
...
1.2520000÷2=1260000
2.1260000÷9=140000
140000÷50=2800
2800÷700=4
4÷4=1
...
1. 2×3=6
2.6×40=240
3. 240×50=12000
4.12000÷12=1000
...
1.5×4=20
2.20×678=13560
3. 13560×800=10848000
4. 10848000÷4000=27120
5. 27120÷20=1356
6. 1356- 1356=1
Как то так