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:作业帮 时间:2024/12/01 01:39:14
X-0.25=1/4 X/4=30% 4+0.7X=102 2/3X+1/2X=42
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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 .