lf half of a number is 30,then three-quarters of that number is------.它的中文

lf half of a number is 30,then three-quarters of that number is------.它的中文 lf half of a number is 30,then three-quarters of it is____.A.forty B.forty-five C.sixty D.fifty if you take away half of a number是什么意思 One-half of a number is 17 more than one third of that number .What is that number? If half of a number is 30,then three-quarters of that number is _______.为什么是45? if you take away half of a number , the number becomes nothing , what's the number?A 8 B 7 C 2 D 4 ,选哪一个,为什么? if you take away half of a number,the number become nothing,what's the number? A.8 B.6 C.2 D.4应该选什么? half a kilo of the number of,a small number of,a number of. Half of the students in a calss are girls.if the number of boys was twice as large and the number of girls half as large,what would the percentage of boys in the calss become? Which is the smallest number of the four?A.two-thirds B.a half C.a quarter D.three-fourths Which is the biggest number of the four?A.One- third B Two thirds C A half D A quarter a half 与half of 的区别? a number of the number of One half of a number is 17 more than one third of that numberOne-half of a number is 17 more than one third of that number .What is that number?A.52 B.84 C.102 D.204答案为什么是C? a growing number of a.number.of?用法 a small number of