28.67×67+3.2×286.7+573.4×0.05简便计算及答案

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28.67×67+3.2×286.7+573.4×0.05简便计算及答案
28.67×67+3.2×286.7+573.4×0.05
简便计算及答案

28.67×67+3.2×286.7+573.4×0.05简便计算及答案
286.7*6.7+286.7*3.2+286.7*0.1
=286.7(6.7+2.3+0.1)
=2867
*为乘号

28.67*67+3.2*286.7+573.4*0.05 =28.67*(67+32+1)
=2867

2867

2867

2867

28.67*(67+3.2*10+0.05*20)
=2867

2867

28.67*(67+3.2*10+0.05*20)
=2867