1/4x(-8/9)= （-5/6)x(-3/10)= -34/15x25= (-0.3)x(-10/7)=
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解决时间 2021-11-19 10:31
- 提问者网友：鼻尖触碰
- 2021-11-18 12:23
1/4x(-8/9)= （-5/6)x(-3/10)= -34/15x25= (-0.3)x(-10/7)=
最佳答案
- 五星知识达人网友：行路难
- 2021-11-18 12:30
1/4×(-8/9)
=-(1/4×8/9)
=-2/9
(-5/6)×(-3/10)
=5/6×3/10
=1/4
-34/15×25
=-(34/15×25)
=-170/3
(-0.3)×(-10/7)
=0.3×10/7
=3/7
=-(1/4×8/9)
=-2/9
(-5/6)×(-3/10)
=5/6×3/10
=1/4
-34/15×25
=-(34/15×25)
=-170/3
(-0.3)×(-10/7)
=0.3×10/7
=3/7
全部回答
- 1楼网友：往事隔山水
- 2021-11-18 13:19
1/4x(-8/9)=-2/9
（-5/6)x(-3/10)=1/4
-34/15x25=-170/3
(-0.3)x(-10/7)=3/7
（-5/6)x(-3/10)=1/4
-34/15x25=-170/3
(-0.3)x(-10/7)=3/7
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