〔(20-18)/24〕/〔(8+27)/12〕=(2/24)乘以(12/35)=1/35
25乘以?乘以?等于(?乘以12)乘以(?乘以?
√24乘以√27=?√6乘以〔-√15〕=?√18乘以√20乘以√75=?
1乘以2分之1+2乘以3分之1+~(声略号)+19乘以20分之1=?
计算:(1)根号54乘以根号27(2)根号6乘以(-根号15)(3)根号18乘以根号20乘以根号75
A=B乘以57 A乘以2等于B乘以( )A乘以5等于B乘以( )A乘以()等于B乘以12 A乘以()等于B乘以29
( )()( )乘以7=( )17 2( )3( )乘以4=( ) ( )48 ()8乘以8=( )24
3.268等于3乘以()+2乘以()+6乘以()+8乘以()
7.8乘以0.091乘以0.625除以(18.2乘以0.26乘以8分之1)
负13乘以3分之2-0.34乘以7分之2+3分之1乘以(负13)减7分之5乘以0.34
(5分之3-2分之1-12分之7)乘以(60乘以7分之3-60乘以7分之1+60乘以7分之5),简算
根号3分之5 乘以 根号7分之72 乘以 根号6分之35 2根号3乘以(根号2+2根号12减去根号6)
√12乘以18等于多少,.√(-6)乘以(-48)等于多少,.