Question

三亿零三十万零三十写作( )，改写成用"万"作单位的数是（ ）万，精确到亿位是( )

Answer 1

三亿零三十万零三十写作(300300030 )，改写成用"万"作单位的数是（30030.003 ）万，精确到亿位是(3亿 )

追问

1.简便计算 (1/3-1/6+1/4)*12......3/3/7-3/7/3

追答

(1/3-1/6+1/4)*12
=1/3*12-1/6*12+1/4*12
=4-2+3
=5

Answer 2

三亿零三十万零三十写作(300300030)，改写成用"万"作单位的数是（30030.03）万，精确到亿位是(三亿)

追问

1.简便计算 (1/3-1/6+1/4)*12......3/3/7-3/7/3

Answer 3

改写成用"万"作单位的数是（三亿零二十万 ）万，精确到亿位是(三十亿 )

追问

1.简便计算 (1/3-1/6+1/4)*12......3/3/7-3/7/3

Answer 4

300300030, 30030.003, 3.0030003

追问

1.简便计算 (1/3-1/6+1/4)*12......3/3/7-3/7/3