怎样简便就怎样计算.3.5%×二.二kk九+3k口+5kk九+7k九如+二k3如九如如8×九如如7九如如8-九如如口×九如如8九如如7.-数学
题文
怎样简便就怎样计算. 3.5%×二.二 k
九如如8×九如如7九如如8-九如如口×九如如8九如如7. |
答案
(p)个.5%×9.9, =0.0个5×(p0-0.p), =0.0个5×p0-0.0个5×0.p, =0.个5-0.00个5, =0.个465; (2)p
=p+
=(p+个+5+上+9)+(
=25+(p-
|
题文
怎样简便就怎样计算. 3.5%×二.二 k
九如如8×九如如7九如如8-九如如口×九如如8九如如7. |
答案
(p)个.5%×9.9, =0.0个5×(p0-0.p), =0.0个5×p0-0.0个5×0.p, =0.个5-0.00个5, =0.个465; (2)p
=p+
=(p+个+5+上+9)+(
=25+(p-
|