3.7*2.5+6.3*25.8的简算
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解决时间 2021-03-15 18:00
- 提问者网友:爱了却不能说
- 2021-03-14 23:48
3.7*2.5+6.3*25.8的简算
最佳答案
- 五星知识达人网友:煞尾
- 2021-03-15 00:55
3.7*2.5+6.3*25.8
=3.7×2.5+6.3×2.5+6.3×23.3
=2.5×(3.7+6.3)+6.3×(20+3+0.3)
=2.5×10+126+18.9+1.89
=25+126+18.9+1.89
=151+19+0.9+0.89
=170+1.79
=171.79
=3.7×2.5+6.3×2.5+6.3×23.3
=2.5×(3.7+6.3)+6.3×(20+3+0.3)
=2.5×10+126+18.9+1.89
=25+126+18.9+1.89
=151+19+0.9+0.89
=170+1.79
=171.79
全部回答
- 1楼网友:风格不统一
- 2021-03-15 01:03
简便计算
3.7*2.5+6.3*2.5
=(3.7+6.3)*2.5
=10*2.5
=25
3.7*2.5+6.3*2.5
=(3.7+6.3)*2.5
=10*2.5
=25
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