25*4+2.5*40+400*0.25
1个回答
=25*4+25*4+25*4
=100+100+100
=300
相关问题
(1-40%-25%)x=(40%-25%)x*2+400怎么解?
(40分)在下面的( )里填上适当的运算符号.2.4( )5=2.4( )0.20.25( )400=10( )100.
0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36
3又2分之1÷4+360x25%+0.25x36.5=? (7.25x40%+2.75x2/5)÷
简便方法计算.3[1/2]÷4+360×25%+0.25×36.5;(7.25×40%+2.75×[2/5])÷20%;
(25+2.5+0.25)*4.4怎么简算
-﹙﹣4.5﹚÷﹙1/2-0.25﹚²-3.5÷│﹣0.25│²=
求未知数x. [5/6]x-0.4=3.4 4(x+0.2)=2.4 [5/8]:x=0.25:3 [1.25/0.25
计算0.25^4*8^2(1)0.25^4*8^2(2)(1/2)^8*8^6*0.25^5