如题所述
第1个回答 2017-09-16
额。。。感觉简单到。有点。。额不想做。。。。追问
那到底做吗
不做就被哔哔
追答就冲这个暴脾气。说是全部还是一道
追问全部
第2个回答 2017-09-16
5.4×9/10+3.6÷1又1/9+0.9
=5.4×9/10+3.6×9/10+9/10
=(5.4+3.6+1)×9/10
=10×9/10
=9
256又14/25÷8
=256÷8+14/25÷8
=32+7/100
=32又7/100
2.75×31/5+2.8÷4/11+11/4
=11/4×6.2+2.8×11/4+11/4
=11/4×(6.2+2.8+1)
=11/4×10
=27.5
7/9÷11/5+2/9×5/11
=7/9×5/11+2/9×5/11
=(7/9+2/9)×5/11
=1×5/11
=5/11
2006又2006/2007÷2006
=2006÷2006+2006/2007÷2006
=1+1/2007
=1又1/2007
48/35÷13/19+22/35÷13/19
=(48/35+22/35)÷13/19
=2÷13/19
=38/13
2006÷2006又2006/2007
=(2006÷2006)÷(2006÷2006+2006/2007÷2006)
=1÷(1+1/2007)
=1÷2008/2007
=2007/2008
=5.4×9/10+3.6×9/10+9/10
=(5.4+3.6+1)×9/10
=10×9/10
=9
256又14/25÷8
=256÷8+14/25÷8
=32+7/100
=32又7/100
2.75×31/5+2.8÷4/11+11/4
=11/4×6.2+2.8×11/4+11/4
=11/4×(6.2+2.8+1)
=11/4×10
=27.5
7/9÷11/5+2/9×5/11
=7/9×5/11+2/9×5/11
=(7/9+2/9)×5/11
=1×5/11
=5/11
2006又2006/2007÷2006
=2006÷2006+2006/2007÷2006
=1+1/2007
=1又1/2007
48/35÷13/19+22/35÷13/19
=(48/35+22/35)÷13/19
=2÷13/19
=38/13
2006÷2006又2006/2007
=(2006÷2006)÷(2006÷2006+2006/2007÷2006)
=1÷(1+1/2007)
=1÷2008/2007
=2007/2008
第3个回答 2017-09-16
这也太简单了吧追问
不做别逼逼
第4个回答 2017-09-16
追问
这个我采纳了
还有一个没回答的
去那吧