【单选题】( )是 1851 年世界博览会展馆水晶宫的建造者。
【简答题】15×(75-75÷5)=0______.
【简答题】用简便算法计算下列各题。 (1)25×79×4 (2)8×(7×125) (3)15×63+15×37 (4)75×98+2×75 (5)80×47×125 (6)125×108 (7)367×125×8 (8)101×25-25
【简答题】解方程 (1)5x+15=75 (2)x-60%x=4.2
【简答题】15和75的最大公约数是5,公约数是1、5、15.______(判断对错)
【多选题】Which of the followings are correct? ( )
A.
In the “STRETCH” framework, "H" refers to How to run your business?
B.
In the “STRETCH” framework, "S" refers to Social Relation.
C.
In the “STRETCH” framework, "R" refers to Relationship.
D.
In the “STRETCH” framework, "S" refers to Social Needs.
【简答题】5=()()=15÷______=______÷75=______(填小数)3:5= ( ) ( ) =15÷______=______÷75=______(填小数)
【简答题】15÷(5+ 1 5 )=15÷5+15÷ 1 5 =3+75=78.______.