28.67×67+3.2×286.7+573.4×0.05?
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28.67×67+3.2×286.7+573.4×0.05?
递等式简便运算
递等式简便运算
![28.67×67+3.2×286.7+573.4×0.05?](/uploads/image/z/16576305-33-5.jpg?t=28.67%C3%9767%EF%BC%8B3.2%C3%97286.7%EF%BC%8B573.4%C3%970.05%3F)
28.67×67+3.2×286.7+573.4×0.05?=286.7×6.7+3.2×286.7+286.7×2×0.05 =286.7×(6.7+3.2+0.1) =286.7×10 =2867
28.67×67+3.2×286.7+573.4×0.05=
28.67×67+3.2×286.7+573.4×0.05
28.67*67+286.7*32+573.4*0.05咋么简便计算?
28.67+3.2*286.7+573.4*0.05的简便算法
计算:28.67×67+32×28.67+573.4×0.05=______.
奥数题:28.67×95+573.4×0.25
.急..5.6×69.32+138.64×0.05+693.2×0.43
67+×89+67×11怎样用简便计算
3.2x+2.6x=7.2
3.2×(25+1.25)简便计算
0.32×6.7+3.2×0.33简算
用因式分解的方法计算67+66×67+33等于( )