【判断题】元代散曲清丽雅致一流的代表作家是张可久和乔吉。()
【简答题】直接写得数. 25×2.4= 12- 5 6 = 1.25× 2 3 ×0.8= 1 3 - 1 5 = 3 4 ×4÷4× 3 4 = 2.4× 3 8 = ( 1 8 + 1 4 )×16= 12.01×9.98≈
【简答题】解比例方程: ①0.8:4=x:8; ②16:x=2.4:3; ③ 1 4 :x= 2 3 : 1 6 ④ x 840-x = 3 4 .
【简答题】直接写得数. 5÷8= 25×2.4= 12- 5 6 = 1.25× 2 3 ×0.8= 1 3 - 1 5 = 3 4 ×4÷4× 3 4 = 2.4× 3 8 = ( 1 8 + 1 4 )×16=
【简答题】直接写得数. 5-0.4= 2.5×0.4= 12.5×0.8= 5.1÷0.3= 0.72÷9= 16+2.4= 0.25×0.38×4= 2.4+5.8+2.6=
【简答题】( 16 1 10 -15.3)× 1 6 ×2.4.