2.(2015•六盘水)Heisbusyworkingatschoolbutheneverforgetshismomaphonecalleveryday.A.givingB.togiveC.giveD.gives
2. (2015 •六盘水) He is busy working at school but he never forgets his mom a phone call every day.
A. giving B. to give
C. give D. gives
二进制转十进制这样计算对吗《1000001000》0*2^0+0*2^1+0*2^2+1*2^3+ 2020-04-07 …
5×0.7=0.43×5=3.6÷0.9-4=240÷37≈3.6-0.36=8.1-2.2=0. 2020-04-07 …
口算2.4+0.73=3.08×4=537-99=2.6×0.3=3-0.71-0.19=8-0. 2020-04-07 …
matlab solve函数求解a='x=0.5*9.8*0.6^2/pi*tanh(2*pi*0 2020-05-16 …
课训：2.用配方解下列方程（1）x^2+2x=3(2)2x^2+4x-3=0(3)2x^2+x-5 2020-06-14 …
已知三个点,求法向矢量,是不是不同算法会得出不同的向量的?譬如(0,1,0),(3,2,0),(0 2020-07-01 …
0.1*0.3*0.9+0.2*0.6*1.8+0.3*0.9*2.7/0.1*0.2*0.4+0 2020-07-26 …
直接写出得数6.9-6=0.9+0.6=1-0.09=0.9+0.1=2.7+2.2=0.2+0.8 2020-11-04 …
直接写出得数9+7.8-3.8=5÷2×0.8=0.7+0.4×1.5=2.4-2.4÷1.2=0. 2020-11-19 …
我是口算小能手130×5=2+0.85=0.6×0.5=2.6×0.3=4×0.5=3.08×4=3 2020-12-08 …