脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1/4) 谢谢!

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 02:26:00
脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1脱式计算: 3/5×(2/3+5/4)    4/5÷7/4×35/8   12/7÷(2/3-1/4)   谢谢!

脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1/4) 谢谢!
脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1
脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1/4) 谢谢!

脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1脱式计算: 3/5×(2/3+5/4) 4/5÷7/4×35/8 12/7÷(2/3-1/4) 谢谢!
3/5×(2/3+5/4)
=3/5x2/3+3/5x5/4
=2/5+3/4
=23/20
4/5÷7/4×35/8
=16/35x35/8
=2
12/7÷(2/3-1/4)
=12/7÷5/12
=144/35

22/25 2 144/35