1994.5*79+0.24*790+244.9:
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1994.5*79+0.24*790+244.9:1994.5*79+0.24*790+244.9:1994.5*79+0.24*790+244.9:原式=1994.2*79+2.4*79+3.1*7
1994.5*79+0.24*790+244.9:
1994.5*79+0.24*790+244.9
:
1994.5*79+0.24*790+244.9:
原式=1994.2*79+2.4*79+3.1*79
=(1994.2+2.4+3.1)*79
=2000*79
=2000*80-2000
=160000-2000
=158000
79*(1994.5+2.4)+244.9=
79*1996.9+244.9
158000
=19945*7.9+24*7.9+31*7.9
=7.9(19945+24+31)
=7.9*20000
=158000
原式=1994.5*79+2.4*79+3.1*79=(1994.5+2.4+3.1)*79=2000*79=158000
等于158000
1994.5*79+0.24*790+244.9:
(简便计算)1994.5*79+0.24*790+244.9=
19941/2*79+790*6/25
15道简便计算题,简便计算:1、8.56×1 4/9+8.56×7 5/9+8.56 2、3/4+93/4+993/4+9993/4+13、1994.5×79+790×6/25+790×0.31 4、1/17×5/6+5/9×4/17+5/18×6/175、460×458/459 6、282/7×1/97、9189/29÷9 8、(498×381+382)/(382×498-116)9、15
1994又1/2*79+790*6/25+244.9
19941/2*79+6/25*790+31*7.9
79*333387又1/2+790*6666又1/4
1994又2/1乘79加790乘6/25加244.9
1994又1/2×79+6/25×790+244.9最后等于158000
1994又2分之1+79+790x25分之6+244.9=?
2/1又1994乘79+20/11乘790+244.9简便怎么算
1994又1/2*79+11/20*790+244.9最好在今天回答
333387又2分之1乘以79 790乘以66661又4分之1,等于多少?
简算:333387又2分之1×79+790×66661又4分之1
333387又2分之1×79+790×66661又4分之1
333387又1/2*79+790*6661又1/4=要有算法和算式
求值:(333387+1/2)*79+790*(66661+1/4)有追加分
简算并写过程43.5-{2-[0.35÷(1-0.375)×0.6]}×0.25333387.5×79+790×66661.25