Решите уравнения:
А)(2400+z):40=80
Б)1500: x-300=200
В)2800-(t-357)=100
Г)(2400:40)+u=80
Д)(1500-300):y=200
Е)h-(2800-357)=100
А)(2400+z):40=80
Б)1500: x-300=200
В)2800-(t-357)=100
Г)(2400:40)+u=80
Д)(1500-300):y=200
Е)h-(2800-357)=100
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2400+z= 80*40
2400+z=3200
z=3200 - 2400
z=800
Б)1500: x-300=200
1500:х= 200+300
1500:х=500
х=1500:500
х=3
В)2800-(t-357)=100
t-357=2800-100
t-357=2700
t=2700+357
t=3057
Г)(2400:40)+u=80
60+u=80
u=80-60
u=20
Д)(1500-300):y=200
1200:у=200
у=1200:200
у=6
Е)h-(2800-357)=100
h-2443=100
h= 2443+100
h=2543