18-3.2÷0.25简便计算 99×0.25+0.5的简便算法怎样算

99×0.25+0.5的简便算法怎样算  

99×0.25+0.5的简便算法怎样算

99×0.25+0.5
＝99x0.25+0.25x2
=0.25x(99+2)
=0.25x101
=0.25x100+0.25x1
=25+0.25
=25.25
希望能帮到你

8-4.68/4.5X(0.25+0.5)简便算法

8-4.68/4.5X(0.25+0.5)
=8-468/450*(25+50)/100
=8-468/(75*6)*75/100
=8-468/6/100
=8-6*78/6/100
=8-78/100
=(800-78)/100
=722/100
=7.22

0.25×8.5×0.5的简便算法

0.25×8.5×0.5=1/4×8.5×1/2=8.5×1/4×1/2=8.5×1/8=8.5÷8=1.0625

(-0.25)*0.5*(-80)*(-36)的简便算法

﹣0.25和﹣80结合在一起，剩下的结合在一起

0.25乘以0.5÷0.25×4的简便算法

0.125×0.25×0.5×6.4=0.125×8×0.25×4×0.5×0.2=1×1×0.1=0.1

0.25 x 7.9 x 0.5简便算法

0.25*7.9*0.5
=0.25x0.5x(8-0.1)
=0.25x0.5x8-0.25x0.5x0.1
=0.125x8-0.125x0.1
=1-0.0125
=9.9875

0.125*0.25*0.5*64托式简便算法

0.125*0.25*0.5*64
=0.125*8*0.25*4*0.5*2
=1*1*1
=1

675-99的简便算法怎样算

675-99
=675-100+1
=575+1
=576

501×99 简便算法怎样计算?

原式
=501x(100-1)
=501x100-501x1
=50100-501
=49599
=(500+1)x99
=500x99+1x99
=49500+99
=49599
或者
=（500+1）x（100-1）
=50000-500+100-1
=49 599

2.25*99*2*4.5怎样简便算法

2.25*99*2+4.5怎样简便算法
2.25*99*2+4.5
=2.25*2*99+4.5
=4.5*（99+1）
=4.5*100
=450