巧算:12345+23451+34512+45123+51234 怎么办?巧算:12345+23451+34512+45123+51234
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巧算:12345+23451+34512+45123+51234怎么办?巧算:12345+23451+34512+45123+51234巧算:12345+23451+34512+45123+51234
巧算:12345+23451+34512+45123+51234 怎么办?巧算:12345+23451+34512+45123+51234
巧算:12345+23451+34512+45123+51234 怎么办?
巧算:
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
=10000+2000+300+40+5+20000+3000+400+50+1+………………(此处用拆数)
=10000+1000+100+10+1+20000+2000+………………(此处用交换律)
=11111+22222+33333+44444+55555(此处用结合律)
=11111×(1+2+3+4+5)(此处逆用乘法分配律,也就是提取公因数)
=11111×15
=166665
巧算:12345+23451+34512+45123+51234 怎么办?巧算:12345+23451+34512+45123+51234
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
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