12345+23451+34512+45123+51234和1*15+2*14+3*13+4*12+5*11+6*10+7*9+8*8的巧算
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12345+23451+34512+45123+51234 简便计算
12345+23451+34512+45123+51234=
12345+23451+34512+45123+51234 怎么用巧算
行列式计算：12345 23451 34512 45123 51234
巧算：12345+23451+34512+45123+51234 怎么办?巧算：12345+23451+34512+45123+51234
12345+23451+34512+45123+51234=?简便运算+过程!
(12345+23451+34512+45123+51234)/(11111+22222)简算
(12345+23451+34512+45123+5123)/(1+2+3+4+5)
12345+23451+34512+45123+51234=?的简便算法
(12345+23451+34512+45123+51234)除以5=( ).
位值原理解答12345+23451+34512+45123+51234
计算（12345+23451+34512+45123+51234)÷5
(12345+23451+34512+45123+5123)除(1.1111+2.2222+3.3333+4.4444+5.5555)
12345加23451加34512加45123加51234的简便计算
奥数（12345+23451+34512+45123+51234）÷(1+2+3+4+5)=?
(12345+23451+34512+45123+51234)/(1+2+3+4+5)=几
(12345+23451+34512+45123+51234)/(1+2+3+4+5)=?
(12345+51234+45123+34512+23451)/3的值( )A.22222 B.33333 C.44444 D.55555