作业帮15:21= 27:72= 1.2:36= 34:0.34=15:21= 27:72= 1.2:36= 34:0.34= 100:150= 4:48= 6.5:13= 6:10= 0.3:0.4= 24:144= 写比值
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15:21= 27:72= 1.2:36= 34:0.34=15:21= 27:72= 1.2:36= 34:0.34= 100:150= 4:48= 6.5:13= 6:10= 0.3:0.4= 24:144= 写比值
15:21= 27:72= 1.2:36= 34:0.34=
15:21= 27:72= 1.2:36= 34:0.34= 100:150= 4:48= 6.5:13= 6:10= 0.3:0.4= 24:144= 写比值
15:21= 27:72= 1.2:36= 34:0.34=15:21= 27:72= 1.2:36= 34:0.34= 100:150= 4:48= 6.5:13= 6:10= 0.3:0.4= 24:144= 写比值