7 Теңдеулерді шеш.
601 000 - y= 24 121 - 3
231 + х = 90 909:3
20 - a = 568 + 432
963 – х = 900 – 579
601 000 - y= 24 121 - 3
231 + х = 90 909:3
20 - a = 568 + 432
963 – х = 900 – 579
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Ответ:
1 601000-y=24118
y=601000-24118
y=576882
601000-576882=24118
2 231+x=30303
x=30303-231
x=30072
231+30072=30303
3 a-20=1000
a=1000+20
a=1020
1020-20=1000
4 963-x=321
x=963-321
x=642
963-642=321