x的30%减去4,等于x的20%加上6,则x=______.
由题意得:30%x-4=20%x+6,
整理得:10%x=10,
解得:x=100.
故答案为:100.
Fill in the blanks. Complete the dialogue. 补全对话。
A: Hi, Li Ming! Nice to meet you!
B: 1 .
A: Welcome to Canada.
B: 2 .
A: Do you like Canada?
B: 3 .
A: Do you live in Beijing?
B: No, 4 .
A: 5 ?
B: I'm twelve years old.
a. Thank you
b. Nice to meet you, too
c. I live in Shijiazhuang
d. How old are you
e. Yes, it's great
石灰石粉不宜用来配置密度超过()的钻井液。
A、1.2g/cm3
B、1.3g/cm3
C、1.6g/cm3
D、1.8g/cm3