6.(2015镇江,14)—Mumthevisittothesciencemuseumissowonderful.—Really?Couldyoutellme?A.thatyoudidandsawthereB.whenyoucomebackC.howdidyougetthereD.ifyousawmodelsofspacecr
6. ( 2015 镇江,14) —Mum the visit to the science museum is so wonderful.
—Really? Could you tell me?
A. that you did and saw there
B. when you come back
C. how did you get there
D. if you saw models of spacecraft there
求比值 15:60,22:3分之2,0.6:1.5,1.5小时:30分化成最简整数 45:60 2020-05-16 …
1.用1,5,6三个数字组成的三位数中3的倍数有()个2.18÷2/3和18÷2*33/10÷3/ 2020-05-21 …
方程组2X+Y=1.5和0.8X+0.6y=1.3(1),2X+Y=1.5和(2),0.8X+0. 2020-06-04 …
下列各数:-7,10.1,3.2121121112…,89,0,−0.•6•7,135,π,其中, 2020-07-09 …
高压旋喷桩布桩加固旋喷桩长4米宽2.1米的矩形,桩间距600mm,我要计算根数大概是(4/0.6+ 2020-07-16 …
解指数方程!0.8^x-C*0.6^x=1-C,其中C为常数.0.8**x-C*(0.6**x)= 2020-08-01 …
直接写出得数.直接写出得数.0.5+0.6=7.8+3=0.67-0.6=3-1.8=2.1+0.8 2020-11-17 …
直接写出得数.0.6+0.4﹦0.53-0.3﹦0.2×0.7﹦9.6÷4﹦3.5×10﹦3÷0.6 2020-11-19 …
帮我解一下这些方程,很急,要过程,谢谢1)0.25r-0.32=0.45r+0.192)15.3c+ 2020-12-17 …
从小数点后面第一位就循环的小数叫做纯循环小数.怎样把它化为分数呢?例如(1)0.•6(1)0.•6× 2021-01-22 …