1) х + 7 234 = 241 765
х = 241 765 - 7 234
х = 234 531
Проверка: <u>234 531 + 7 234 = 241 765</u>
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2) 536 423 - а = 487 967
а = 536 423 - 487 967
а = 48 456
Проверка: <u>536 423 - 48 456 = 487 967</u>
1) 7/15
2) 3 целых 2/5
3) 2 целых
4 4/7=32/7=64/14
-9/14х=64/14-2=64/14-28/14=36/14
х=36/14:(-9/14) =-36/14 * 14/9=-36/9=-4