2枚钉子=5粒纽扣=4个螺母
设钉子=A,纽扣=B,螺母=C
2A=5B=4C 4B=3C+1g
5B=4C 4B=3C+1g
B=4C除以5
16
—C=3C+1g 3.2C=3C+1g 0.2C=1g C=5g
5
4B=16g B=4g 2A=20g=20g 2A=20g A=10g
求出来了,分给我
2枚钉子=5粒纽扣=4个螺母
设钉子=A,纽扣=B,螺母=C
2A=5B=4C 4B=3C+1g
5B=4C 4B=3C+1g
B=4C除以5
16
—C=3C+1g 3.2C=3C+1g 0.2C=1g C=5g
5
4B=16g B=4g 2A=20g=20g 2A=20g A=10g
求出来了,分给我