Question

数学问题(解方程)

Answer 1

1.2a+7=25 2a=25-7 a=9 2.-6=5b-19 -6+19=5b 13=5b b=2.6 3.c/3-8=12 c/3=20 c=60 4.13-d/4=22 -9=d/4 d=-36 5. e+6/2=45 e=45x2/6 e=15 6. -9=f-10/5 -9=f-2 f=-7 7.6g+14g=240 20g=240 g=12 8. 15h-8h=42 7h=42 h=6 9. 9m=3m+1 6m=1 m=1/6 10. 20n-64=-12n 32n=64 n=2 比最佳回复我丫>
1.a=9 2.b=2.6 3.c=60 4.d=-36 5.e=42 6.f=-7 7.g=12 8.h=6 9.m=? 10.n=2
1. 2a+7=25 2a=25-7 2a=18 a=9 2. -6=5b-19 -6+19=5b 13=5b b=13/5 3. c/3-8=12 c/3=20 c/3x3=20x3 c=60 4 13-d/4=22 -d/4=9 -d=36 d=-36 5 e+6/2=45 2e+6=90 2e=84 e=42 6 -9=f-10/5 -45=5f-10 -35=5f 5f=-35 f=-7 7 6g+14g=240 20g=240 g=12 8 15h-8h=42 7h=42 h=6 9 9m=3m+1 6m=1 m=1/6 10 20n-64=-12n 20n+12n=64 32n=64 n=2
参考: myself^^"
1. 2a+7=25 2a=18 a=9 2. -6=5b-19 13=5b b=13/5 3. c/3-8=12 c/3=20 c=60 4. 13-d/4=22 -d/4=9 d/4=-9 d=-36 5. e+6/2=45 2e+6=90 2e=84 e=42 6. -9=f-10/5 -45=5f-10 -35=5f f=-7 7. 6g+14g=240 20g=240 g=12 8. 15h-8h=42 7h=42 h=6 9. 9m=3m+1 6m=1 m=1/6 10. 20n-64=-12n 32n=64 n=2
参考: ......
1.a=9 2.b=2.6 3.c= 60 4.d=150 5.e=42 6.f =-7 7.g=30 8.h=6 9.m=1/6 10.n=2
参考: mYSELF