1.8乘以105用简便计算

61.2减1.8乘以3减4.6用简便计算61.2减1.8乘以3减4.6用简便计算61.2减1.8乘以3减4.6用简便计算61.2-1.8×3-4.6=61.2-5.4-4.6=61.2-（5.4+4.

56乘以1.25用简便算法计算,56乘以1.25用简便算法计算,56乘以1.25用简便算法计算,等于7*8*1.25等于8*1.25*7等于10*7等于70

5.6乘以0.25用简便方法计算.5.6乘以0.25用简便方法计算.5.6乘以0.25用简便方法计算.5.6x0.25=1.4x(4x0.25)=1.4x1=1.4

0.64乘以125用简便计算0.64乘以125用简便计算0.64乘以125用简便计算原式=0.64（100+100/4）=64+16=80

3596乘以15,用简便方法计算,3596乘以15,用简便方法计算,3596乘以15,用简便方法计算,=(3600-4)X15=3600X15-4X1554000-6053940

45乘以0.99用简便方法计算45乘以0.99用简便方法计算45乘以0.99用简便方法计算列式为:45*0.99=45*(1-0.01)=45-0.45=44.55

785乘以102用简便方法计算785乘以102用简便方法计算785乘以102用简便方法计算785×102=785×100+785×2=78500+1570=80070

3.75乘以99用简便方法计算3.75乘以99用简便方法计算3.75乘以99用简便方法计算375-3.75=371.25

3596乘以15,用简便方法计算,3596乘以15,用简便方法计算,3596乘以15,用简便方法计算,3596x15=(3600-4)x15=3600x15-4x15=900x4x15-60=900x

7652乘以15,用简便方法计算,7652乘以15,用简便方法计算,7652乘以15,用简便方法计算,7652*10+7652/2*10=76520+38260=114780

72乘以12.5用简便方法计算72乘以12.5用简便方法计算72乘以12.5用简便方法计算=9×(8×12.5)=9×100=900

237乘以99+337用简便计算237乘以99+337用简便计算237乘以99+337用简便计算237X99+337=237X（100-1）+337=23700-237+337=23700+（337-

0.21乘以6.4加0.42乘以1.8简便计算0.21乘以6.4加0.42乘以1.8简便计算0.21乘以6.4加0.42乘以1.8简便计算 

35乘以4乘以35用简便方法怎样计算35乘以4乘以35用简便方法怎样计算35乘以4乘以35用简便方法怎样计算35×4×35=35×2×2×35=70×70=4900

用简便方法计算：9999乘以2222+3333乘以3334用简便方法计算：9999乘以2222+3333乘以3334用简便方法计算：9999乘以2222+3333乘以33349999×2222+333

2.5乘以112乘以3.75（用简便方法计算）2.5乘以112乘以3.75（用简便方法计算）2.5乘以112乘以3.75（用简便方法计算）=（2.5×4）×（3.75×4）×7=10×15×7=105

79乘以99乘以79怎么用简便计算?79乘以99乘以79怎么用简便计算?79乘以99乘以79怎么用简便计算?79x99+79=79x（99+1）=79x100=7900你的题目应该是这样的吧.79乘以

98乘以25乘以50,用简便方法如何计算?98乘以25乘以50,用简便方法如何计算?98乘以25乘以50,用简便方法如何计算?98×25×50=49×2×25×50×4÷4=49×(2×50)×(25

25乘以19乘以40的积,用简便计算25乘以19乘以40的积,用简便计算25乘以19乘以40的积,用简便计算25×19×40=25×40×19=1000×19=1900025*19*40=25*40*

用简便运算计算2.25乘以19乘以0.4用简便运算计算2.25乘以19乘以0.4用简便运算计算2.25乘以19乘以0.42.25*19*0.4=（2+0.25）*19*0.4=（0.25*0.4+2*