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请加速,我会+分,结果,正确25.63-(-291.7)+4.37+(-9.3)3又3/5-(-6/7)+9又2/5+3又6/7[9又1/2+(-8又1/30)]-[(-9又3/4)+(-5又4/15)](-3.5%0-(-9又1/3)+0.35+(28/3)[(-2/7)+13/9]+(-1又15/7)8.48+[(-3.64)+(-9.46)]+2又

题目详情
请加速,我会+分,结果,正确
25.63-(-291.7)+4.37+(-9.3)
3又3/5-(-6/7)+9又2/5+3又6/7
[9又1/2+(-8又1/30)]-[(-9又3/4)+(-5又4/15)]
(-3.5%0-(-9又1/3)+0.35+(28/3)
[(-2/7)+13/9]+(-1又15/7)
8.48+[(-3.64)+(-9.46)]+2又1/5
(-15又3/5)=(-3又1/2)+16.6+9.7
(-3.625+17又7/9)+[(-19/9)+(-4又3/8)]
-9.25+9-(3又1/3)-(+2/3)-(-1又1/4)
(-0.8)-3又1/5
6.2-(-3又3/5)-(+10%)-13/20
-3.5-[(-0.12)+9又2/7-(-12又5/7)]
-0.6-(16/3)+(9又1/3)+(-1/5)
▼优质解答
答案和解析
1. =25.63+291.7+4.37-9.3=25.63+4.37+291.7-9.3=30+282.4=312.4
2. =18/5 +6/7 +47/5 -79/5 =6/7 -14/5 =30/35 -98/35 = -68/35
3. =19/2 -241/30 -39/4 +79/15 =-1/4 -83/30 = -181/60
4. =28/3+0.35+28/3 =56/3 +0.35 =1141/60
5.= -2/7 +13/9 -22/7 =-24/7+13/9 =-125/63
6. =8.48-3.64-9.46+2.2=-2.42
7. =-15.6-3.5+16.6+9.7 =7.2
8. =-3.625+160/9-19-9-4.325 =23/3
9. =-9.25+9-10/3-2/3+5/4 =-0.25+9-4+1.25=6
10. =-0.8-3.2=4
11. =6.2+3.6-0.1-0.65=9.05
12. =-3.5+0.12-22=-25.18
13. -0.6-16/30+28/30-0.2=-0.6+4-0.2=3.2
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