数学计算题0.25*5分之4+2.5%2.3*1.5+4.5\0.756分之5*0.25+4分之1*6分之1

数学计算题0.25*5分之4+2.5%2.3*1.5+4.5\0.756分之5*0.25+4分之1*6分之1
数学计算题0.25*5分之4+2.5%
2.3*1.5+4.5\0.75
6分之5*0.25+4分之1*6分之1

数学计算题0.25*5分之4+2.5%2.3*1.5+4.5\0.756分之5*0.25+4分之1*6分之1
0.25*5分之4+2.5%
=1/5-1/40
=7/40
2.3*1.5+4.5\0.75
=3.45+6
=9.45
6分之5*0.25+4分之1*6分之1
=（5/6+1/6）*1/4
=1*1/4
=1/4

4分之一

18.25X5分之59-11.8X4分之69
=73/4×59/5-59/5×69/4
=(73/4-69/4)×59/5
=1×59/5
=11.8

0.25*5分之4+2.5%
=0.2+0.025
=0.225
2.3*1.5+4.5\0.75
=3.45+6
=9.45
6分之5*0.25+4分之1*6分之1
=1/4(5/6+1/6)
=1/4