(1234567+2345671+3456712+4567123+5671234+67123457123456)除以7怎么简算

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(1234567+2345671+3456712+4567123+5671234+67123457123456)除以7怎么简算
(1234567+2345671+3456712+4567123+5671234+6712345
7123456)除以7怎么简算

(1234567+2345671+3456712+4567123+5671234+67123457123456)除以7怎么简算
(1234567 +2345671 +3456712 +4567123 +5671234 +6712345 +7123456)÷7
= (1111111 +2222222 +3333333 +4444444 +5555555 +6666666 +7777777)÷7
= (1+2+3+4+5+6+7) × 1111111 ÷ 7
= 4 × 1111111
= 4444444

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