0.99*4+0.98*4+0.97*4+...0.91*4=?
0.99*4+0.98*4+0.97*4+...0.91*4=?
0.01+0.02+0.03+.+0.97+0.98+0.99=?
0.3+0.5+0.7+0.9+.+0.91+0.93+0.95+0.97+0.99=?
01+0.02+0.03+0.04+…+0.96+0.97+0.98+0.99=
0.01+0.02+0.03+.+0.97+0.98+0.99=多少
已知二次函数y=-2x2+4x+k(其中k为常数),分别取x1=-0.99,x2=0.98,x3=0.99,那么对应的函
0.01+0.02+0.03+.+0.97+0.98+0.99=用简便方法计算
1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+.+0.04+0.03-0.02-0.01=(
0.01+0.02+0.03+0.04+……+0.97+0.98+0.99+1=?
4 ×0.99怎样简算
0.91除以4/5+1.25*1.09
0.25乘以0.98乘以4等于多少?