(6分之5减9分之5)÷18分之11

(6分之5减9分之5)÷18分之11




36*94+36+18+36*0.5+72*2用簡便方法


36*94+36+18+36*0.5+72*2
=36*94+36*1+36*0.5+36*0.5+36*4
=36*(94+1+0.5+0.5+4)
=36*100
=3600



(3.2+18-4.04*5)/0.2簡便方法


3.2*5+18*5+20.2*5= 207



0.45*72+45*0.18+4.5簡便方法的答案


0.45*72+45*0.18+4.5
=0.45*72+0.45*0.18*100+0.45*10
=0.45*72+0.45*18+0.45*10
=0.45*(72+18+10)
=0.45*100
=45