Buy SHT30-DIS-B - SENSIRION - Temperature and Humidity Sensor, SHT Series, 0% to 100% RH, 3 %, 2.4 to 5.5 V, Digital Output. element14 China offers fast quotes, same day dispatch, fast delivery, wide inventory, datasheets & technical support.
搜索智能精选题目解二元一次方程组x+y=100(1-10%)x+(1+40%)y=100(1+20%)答案x+y=100 (1)(1-10%)x+(1+40%)y=100(1+20%)(2)由(1)得y=100-x代入(2)0.9x+1.4(100-x)=1200.9x+140-1.4x=1200.5x=20所以x=40y=100-x=60