X-0.25=1/4 X/4=30% 4+0.7X=102 2/3X+1/2X=42

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/29 10:21:19
X-0.25=1/4X/4=30%4+0.7X=1022/3X+1/2X=42X-0.25=1/4X/4=30%4+0.7X=1022/3X+1/2X=42X-0.25=1/4X/4=30%4+0.7

X-0.25=1/4 X/4=30% 4+0.7X=102 2/3X+1/2X=42
X-0.25=1/4 X/4=30% 4+0.7X=102 2/3X+1/2X=42

X-0.25=1/4 X/4=30% 4+0.7X=102 2/3X+1/2X=42
X=0.5 X=1.2 .