2×()=7分之5÷()=12×﹙﹚=7/5÷﹙﹚=1
问题描述:
2×()=7分之5÷()=1
2×﹙﹚=7/5÷﹙﹚=1
答
2*(0.5)=7/5 / (1.2)=1
2×()=7分之5÷()=1
2×﹙﹚=7/5÷﹙﹚=1
2*(0.5)=7/5 / (1.2)=1