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Сабина12345678
@Сабина12345678
July 2022
1
4
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1. 990:(15* x)+64:(4* 8)=13
2. 80 х – 3* 90 +430 = 1600:2
3. (180:а +15* 3):8=54:9
4. 450: ( 18 – у:7) =7* 8-36:6
5. 9* 9 – 540:(а-27)=15 5
6. 200-560: (у+36)=48* 4
7. (180:а +15 3):8=54:9
8. 990:(15 x)+64:(4* 8)=13
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Annaarustamova
1. 990÷15х+2=13
990÷15х=13-2
990÷15х=11
15х=990÷11
15х=90
х=6
2. 80х -270+230=800
80х-500=800
80х=800+500
80х=1300
х=16,25
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Answers & Comments
990÷15х=13-2
990÷15х=11
15х=990÷11
15х=90
х=6
2. 80х -270+230=800
80х-500=800
80х=800+500
80х=1300
х=16,25