4.75/2+2.375*23+23怎样简便运算

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4.75/2+2.375*23+23怎样简便运算
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4.75/2+2.375*23+23怎样简便运算
4.75/2+2.375*23+23怎样简便运算

4.75/2+2.375*23+23怎样简便运算
4.75/2+2.375*23+23
=19/8+(2+3/8)x23+23
=19/8+2x23+3/8x23+23
=19/8+3/8x23+23x3
=19/8+69/8+69
=11+69
=80

4.75/2+2.375*23+23
=2.375*2/2+2.375*23+23
=2.375+2.375*23+23
=2.375*24+23
=57+23
=80