①3/4x-5×x%=17.5 ②4+6×(3x-2)=16x ③1又1/2÷(x-0.45)=6/6 ④4x-6 3x-1 ________=_________ 5 4⑤(x+12)×4/5=42-x⑦x/4-x/5=20⑧x+1/3x+(1/3×3/4)x=114⑨1÷4x=1又1/81÷3x=1又1/9每个分数都是分母在后,分子在前,如分
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![①3/4x-5×x%=17.5 ②4+6×(3x-2)=16x ③1又1/2÷(x-0.45)=6/6 ④4x-6 3x-1 ________=_________ 5 4⑤(x+12)×4/5=42-x⑦x/4-x/5=20⑧x+1/3x+(1/3×3/4)x=114⑨1÷4x=1又1/81÷3x=1又1/9每个分数都是分母在后,分子在前,如分](/uploads/image/z/11507786-26-6.jpg?t=%E2%91%A03%2F4x-5%C3%97x%25%3D17.5+%E2%91%A14%2B6%C3%97%EF%BC%883x-2%EF%BC%89%3D16x+%E2%91%A21%E5%8F%881%2F2%C3%B7%EF%BC%88x-0.45%EF%BC%89%3D6%2F6+%E2%91%A34x-6+3x-1+________%3D_________+5+4%E2%91%A4%EF%BC%88x%2B12%EF%BC%89%C3%974%2F5%3D42-x%E2%91%A6x%2F4-x%2F5%3D20%E2%91%A7x%2B1%2F3x%2B%EF%BC%881%2F3%C3%973%2F4%EF%BC%89x%3D114%E2%91%A81%C3%B74x%3D1%E5%8F%881%2F81%C3%B73x%3D1%E5%8F%881%2F9%E6%AF%8F%E4%B8%AA%E5%88%86%E6%95%B0%E9%83%BD%E6%98%AF%E5%88%86%E6%AF%8D%E5%9C%A8%E5%90%8E%2C%E5%88%86%E5%AD%90%E5%9C%A8%E5%89%8D%2C%E5%A6%82%E5%88%86)
①3/4x-5×x%=17.5 ②4+6×(3x-2)=16x ③1又1/2÷(x-0.45)=6/6 ④4x-6 3x-1 ________=_________ 5 4⑤(x+12)×4/5=42-x⑦x/4-x/5=20⑧x+1/3x+(1/3×3/4)x=114⑨1÷4x=1又1/81÷3x=1又1/9每个分数都是分母在后,分子在前,如分
①3/4x-5×x%=17.5 ②4+6×(3x-2)=16x ③1又1/2÷(x-0.45)=6/6 ④4x-6 3x-1 ________=_________ 5 4
⑤(x+12)×4/5=42-x
⑦x/4-x/5=20
⑧x+1/3x+(1/3×3/4)x=114
⑨1÷4x=1又1/8
1÷3x=1又1/9
每个分数都是分母在后,分子在前,如分子:1/分母:2
虽说很多到,每到要过程,求各位了,我不会啊,谢谢了,悬赏我多给点
①3/4x-5×x%=17.5 ②4+6×(3x-2)=16x ③1又1/2÷(x-0.45)=6/6 ④4x-6 3x-1 ________=_________ 5 4⑤(x+12)×4/5=42-x⑦x/4-x/5=20⑧x+1/3x+(1/3×3/4)x=114⑨1÷4x=1又1/81÷3x=1又1/9每个分数都是分母在后,分子在前,如分
①3/4x-5×x%=17.5
0.75-0.05x=17.5
0.05x= -16.75
x= -335
②4+6×(3x-2)=16x
4+18x-12=16x
2x=8
x=4
③1又1/2÷(x-0.45)=6/6
1.5÷(x-0.45)=1
x-0.45=1.5
x=1.95
④(4x-6)/5= (3x-1)/4
5(3x-1)=4(4x-6)
15x-5=16x-24
x=19
⑤(x+12)×4/5=42-x
4x+48=210-5x
9x= -162
x= -54
⑦x/4-x/5=20
5x-4x=400
x=400
⑧x+1/3x+(1/3×3/4)x=114
4/3x+1/4x=114
19x=1368
x=72
⑨1÷4x=1又1/8
1÷4x=9/8
36x=8
x=2/9
1÷3x=1又1/9
1÷3x=10/9
30x=9
x=3/10