寒樱暖暖为你
7.7×0.25+0.75×2.3
=7.7×0.25+0.25×2.3×3
=7.7×0.25+0.25×6.9
=(7.7+6.9)×0.25
=146÷4
=36.5
(或在客户端右上角评价点【满意】)
是我前进的动力!你的采纳也会给你带去财富值的.
如有不明白,
直到完成弄懂此题!
寒樱暖暖为你
7.7×0.25+0.75×2.3
=7.7×0.25+0.25×2.3×3
=7.7×0.25+0.25×6.9
=(7.7+6.9)×0.25
=146÷4
=36.5
(或在客户端右上角评价点【满意】)
是我前进的动力!你的采纳也会给你带去财富值的.
如有不明白,
直到完成弄懂此题!