(1234567+2345671+3456712+4567123+5671234+6712345+7123456)/ 28简便运算
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(1234567+2345671+3456712+4567123+5671234+6712345+7123456)/28简便运算(1234567+2345671+3456712+4567123+567
(1234567+2345671+3456712+4567123+5671234+6712345+7123456)/ 28简便运算
(1234567+2345671+3456712+4567123+5671234+6712345+7123456)/ 28
简便运算
(1234567+2345671+3456712+4567123+5671234+6712345+7123456)/ 28简便运算
分别考虑单个位数上相加之和为28,然后再分别单个位数除以28,就是结果1111111
1111111
1111111
拆开分部
1000000+2000000+3000000+4000000+5000000+6000000+7000000=28000000
200000+300000+400000+500000+600000+700000+100000=2800000
30000+40000+50000+60000+70000+10000+20000=280000
以此类推
每个单位除以28
结果是1111111
(1234567+2345671+3456712+4567123+5671234+6712345+7123456)/ 28简便运算
(1+123+234)×(123+234+345)-(1+123+234+345)×(123+234)
(1000+123+234)×(123+234+345)-(1000+123+234+345)×(123+234)简便运算
我急!鸡鸡鸡鸡鸡鸡鸡!(567+345×566)÷(567×345+222)
(1234567+2345671+3456712+4567123+5671234+6712345+7123456)简便算法
计算 123 +234 +345 …………+282930
计算:123 +234 +345 …………+282930
例如:415÷15+(876-345)
566×345+567除以567×345+222,要求简算.快速.要写出简算过程.
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九年级英语问题急求解答+++++++++++++++++++++++急求解答+++++++++++++++++++++++
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