100千克稻谷可碾米70千克,1千克稻谷可碾米0.7千克?1吨稻谷可碾米700千克
70÷100=0.71×0.7=0.7千克1吨=1000千克1000×0.7=700千克1千克稻谷可碾米0.7千克。1吨稻谷可碾米700千克?
70÷100=0.70.7×1000=700
70除以100=0.7kg0.7x1x1000=700kg