553806@1.08@12.6@13.4@14.2@15@15.8@16.6@17.4@18.2@19=?@=乘以(*
27046=2乘以( )+7乘以( )+4乘以( )+6乘以( )
19分之18=( )分之( )乘以( )=( )分之( )乘以( )
(1+40%)乘以X乘以80%—X=15
6分之五乘以( )=( )乘以四分之三=( )乘以19=( )乘以十七分之二
【1.9+19%乘以(4.8-2.4)】除以(53乘以0.25+30.6乘以0.25)=?
1.65乘以56加上44乘以18加上0.56乘以15=
1015乘以3= 71乘以10= 876乘以4= 14 816除以4= 38+15= 101乘以5= 1169乘以3=
=3乘以2乘以1,=4乘以3乘以2乘以1,=5乘以4乘以3乘以2乘以1,那么100!除以99!
0.25乘以1.25乘以8乘以40=简算
(-0.1)乘以(-100)乘以(-0.01)=?
12乘以231=132乘以21 则 12乘以462= 乘以 ,18乘以891= 乘以 ,24乘以231= 乘以 .
1.36乘以4乘以2.5=简算