4.125*2.4/1又31分之24-(18又37分之5-13.42)=?
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解决时间 2021-11-07 18:12
- 提问者网友:轻浮
- 2021-11-07 01:08
4.125*2.4/1又31分之24-(18又37分之5-13.42)=?
最佳答案
- 五星知识达人网友:不甚了了
- 2021-11-07 02:23
4.125×2.4÷1又24/31-(18又5/37-13.42)
=4又1/8×2又2/5÷1又24/31-(18又5/37-13又21/50)
=33/8×12/5÷55/31-[(18-13)+5/37-21/50]
=99/10×31/55-(5+5/37-21/50)
=279/50-(5又5/37-21/50)
=(279/50+21/50)-5又5/37
=6-5又5/37
=32/37
=4又1/8×2又2/5÷1又24/31-(18又5/37-13又21/50)
=33/8×12/5÷55/31-[(18-13)+5/37-21/50]
=99/10×31/55-(5+5/37-21/50)
=279/50-(5又5/37-21/50)
=(279/50+21/50)-5又5/37
=6-5又5/37
=32/37
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