5.85*3分之1+2.2/6分之5,求简算,3.38×3/4+1.2×3/4-7.5 11/15+(3/4-2/3)÷1/5 8/9 ×[3/4÷(7/16-0.25)]求简算,一定要详细的算试,
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/26 02:58:51
![5.85*3分之1+2.2/6分之5,求简算,3.38×3/4+1.2×3/4-7.5 11/15+(3/4-2/3)÷1/5 8/9 ×[3/4÷(7/16-0.25)]求简算,一定要详细的算试,](/uploads/image/z/201098-2-8.jpg?t=5.85%2A3%E5%88%86%E4%B9%8B1%2B2.2%2F6%E5%88%86%E4%B9%8B5%2C%E6%B1%82%E7%AE%80%E7%AE%97%2C3.38%C3%973%2F4%2B1.2%C3%973%2F4-7.5+11%2F15%2B%EF%BC%883%2F4-2%2F3%EF%BC%89%C3%B71%2F5+8%2F9+%C3%97%5B3%2F4%C3%B7%EF%BC%887%2F16-0.25%EF%BC%89%5D%E6%B1%82%E7%AE%80%E7%AE%97%2C%E4%B8%80%E5%AE%9A%E8%A6%81%E8%AF%A6%E7%BB%86%E7%9A%84%E7%AE%97%E8%AF%95%2C)
5.85*3分之1+2.2/6分之5,求简算,3.38×3/4+1.2×3/4-7.5 11/15+(3/4-2/3)÷1/5 8/9 ×[3/4÷(7/16-0.25)]求简算,一定要详细的算试,
5.85*3分之1+2.2/6分之5,求简算,
3.38×3/4+1.2×3/4-7.5 11/15+(3/4-2/3)÷1/5 8/9 ×[3/4÷(7/16-0.25)]求简算,一定要详细的算试,
5.85*3分之1+2.2/6分之5,求简算,3.38×3/4+1.2×3/4-7.5 11/15+(3/4-2/3)÷1/5 8/9 ×[3/4÷(7/16-0.25)]求简算,一定要详细的算试,
5.85x1/3+2.2/(5/6)=5.85x1/3+2.2x(6/5) 再怎么简算跟没有一样嘛
(3.38+1.2)x3/4-10x3/4=(3.38+1.2-10)x3/4=-5.12x3/4
11/15+(3/4-2/3)x5=11/15+15/4-2/15=9/15+15/4=3/5+15/4=(12+75)/20=87/20
8/9x(3/4)÷(7/16-1/4)=2/3÷(7/16-4/16)=2/3÷3/16=2/3 x16/3=32/9
3/4=0.75
3.38*0.75+1.2*0.75-7.5=2.535+0.9-7.5=-4.065
11/15+[(9-8)/12](通分)/(1/5)=11/15+1/12/(1/5)=11/15+5/12=(44+25)/60=23/20
0.25=1/4
8/9*[3/4/(3/16)]=8/9*4=32/9
3.38*3/4+1.2*3/4-7.5=3.38*3/4+1.2*3/4-10*3/4=(3.38+1.2-10)*3/4=-5.42*3/4=-16.26/4=-4.065
11/15+(3/4-2/3)÷1/5=11/15+(9/12-8/12)÷1/5=11/15+1/12÷1/5=11/15+5/12=44/60+25/60=69/60=23/20=1.15
8/9 ×[3/4÷(7/16-0.25)]=8/9*3/4÷(7/16-1/4)=2/3÷(7/16-4/16)=2/3÷3/16=32/9