如题所述
ç®ä¾¿è®¡ç®äºå¹´çº§102x0.25
102Ã0.25
=100Ã0.25+2Ã0.25
= 25.5
102Ã0.25
=100Ã0.25+2Ã0.25
= 25.5
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第1个回答 2016-09-18
=(100+2)×0.25
=100×0.25 + 2×0.25
=25 + 0.5
=25.5
=100×0.25 + 2×0.25
=25 + 0.5
=25.5
第2个回答 2016-09-18
102x0.25
=（100+2）×0.25
=100×0.25+2×0.25
=25+0.5
=25.5本回答被网友采纳
=（100+2）×0.25
=100×0.25+2×0.25
=25+0.5
=25.5本回答被网友采纳
第3个回答 2016-09-18
25.5
