如题所述
16.7x1.6x2.5
=16.7x4x0.4x2.5
=66.8xï¼0.4x2.5ï¼
=66.8x1
=66.8
=16.7x4x0.4x2.5
=66.8xï¼0.4x2.5ï¼
=66.8x1
=66.8
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第1个回答 2016-10-06
=16.7*0.4*0.4*2.5
=16.7*0.4*1
=6.68
=16.7*0.4*1
=6.68
第2个回答 2016-10-06
16.7x1.6x2.5简便计算
=16.7x0.4x0.4x2.5
=66.8x(0.4x2.5)
=66.8x1
=66.8
望采纳
谢谢
=16.7x0.4x0.4x2.5
=66.8x(0.4x2.5)
=66.8x1
=66.8
望采纳
谢谢