標題:
暑期作業D數點做(3)
發問:
10 4(y+4)-3=9 = 11 5p-3=3p+17 = 12 4(2a-3)=7a-2(3-a) = 13 8(a+2)-3(a-2)=18 A -0.8 B 1.6 c 4.4 D 5 14 4(x-3)=3(x+7) A 12 B 21 C 33 D 39
最佳解答:
4(y+4)-3=9 4(y+4)....=12 y+4........=3 y............=-1 ______________ 5p-3=3p+17 2p...=20 p.....=10 _______________ 4(2a-3)=7a-2(3-a) 8a-12=9a-6 -a......=6 a........=-6 ______________ 8(a+2)-3(a-2)=18 8a+16-3a+6.=18 5a+22.........=18 5a,..............=-4 a.................=-4/5 ______________ 4(x-3)=3(x+7) 4x-12=3x+21 x.......=33 _______________
其他解答:
此文章來自奇摩知識+如有不便請留言告知
10 4(y+4)-3=9 4(y+4)=9+3 4(y+4)=12 y+4=12/4 y+4=3 y=3-4 y=-1 11 5p-3=3p+17 5p-3p=3+17 2p=20 p=20/2 p=10 12 4(2a-3)=7a-2(3-a) 8a-12=7a-6+2a a=-6 13 8(a+2)-3(a-2)=18 A -0.8 14 4(x-3)=3(x+7) C 33|||||no10.4(y+4)-3=9 answer; 4y+12-3=9 4y=0 y=4 no11.5p-3=3p+17 answer;5p-3p=17+3 2p=20 p=10 no12.4(2a-3)=7a-2(3-a) answer;8a-12=7a-6+a ,8a-7a=-12+6 -a=-6 a=6 no13.answer c no14.answer a|||||10. 4(y+4)-3=9 4y+16-3=9 4y =-4 y=-1 11. 5p-3=3p+17 5p-3p=3+17 2p=20 p=10 12 . 4(2a-3)=7a-2(3-a) 8a-12=7a-6+2a a=-6 13. A 14.C|||||10. 4(y+4)-3=9 4y+16-3=9 4y+13=9 4y=-4 y=-1 11. 5p-3=3p+17 2p=20 p=10 12. 4(2a-3)=7a-2(3-a) 8a-12=7a-6+2a -a=6 13. 8(a+2)-3(a-2)=18 A 8a+16-3a+6=18 5a=-4 a=-4/5 a=-0.8 A A -0.8 B 1.6 c 4.4 D 5 14. 4(x-3)=3(x+7) C 4x-12=3x+21 x=33 A 12 B 21 C 33 D 39
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