5/17×1/7×51
=5/17x51x1/7
=15x1/7
=15/7
3/4×125+3/4×25
=3/4x(125+25)
=3/4x150
=450/4
3/4÷(3/4+2/5)
=3/4÷23/20
=15/23
4/3÷3/4×3/4
=4/3x3/4÷3/4
=1÷3/4
=4/3
如果本题有什么不明白可以追问,
简算就简算 5/17×7/1×51 3/4×125+3/4×25 3/4÷(3/4+2/5) 4/3÷3/4×3/4
简算就简算 5/17×7/1×51 3/4×125+3/4×25 3/4÷(3/4+2/5) 4/3÷3/4×3/4
能简算就简算
5/17×7/1×51
3/4×125+3/4×25
3/4÷(3/4+2/5)
4/3÷3/4×3/4
能简算就简算
5/17×7/1×51
3/4×125+3/4×25
3/4÷(3/4+2/5)
4/3÷3/4×3/4
数学人气:354 ℃时间:2019-12-29 17:07:21
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