75-(6.8+0.32*0.25*12.5)怎么简便运算?
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75-(6.8+0.32*0.25*12.5)怎么简便运算?
75-(6.8+0.32*0.25*12.5)怎么简便运算?
75-(6.8+0.32*0.25*12.5)怎么简便运算?
75-(6.8+0.32*0.25*12.5)
=75-(6.8+0.4*0.8*0.25*12.5)
=75-[6.8+(0.4*0.25)*(0.8*12.5)]
=75-[6.8+0.1*10]
=75-[6.8+1]
=75-7.8
=67.2
一楼出错了.应该是:75-(6.8+0.4*2.5*0.8*1.25)
75-(6.8+0.32×0.25×12.5) 简便计算
75-(6.8+0.32*0.25*12.5)怎么简便运算?
75-(6.8+0.32*0.25*12.5)怎么简便运算?
6.8×0.25+3.2×25%
4.5*0.32+6.8*0.45【简便计算】
0.32×0.25×1.25简便方法计算
0.125×0.32—0.25×0.16 简算
0.32×0.25×0.125×100怎么简便计算?
0.32除以0.25怎么巧算
0.32×4.5+0.45×6.8+4.5简便运算
6.8×8/25+0.32×4.2-8÷25
6.8*25/8+0.32*4.2-8/85
3.14×6.8+31.4×0.32点样简便运算啊
如果5X+8等于12,那么6.8-0.5X等于几?0.85X+0.25X等于几?
16.8-6.8*0.25怎样计算简便
16.8-6.8×0.25(脱式计算
6.8-0.25x=0.9,x=?
化成最简比,并求出比值 0.36:1.3 6:0.32 3分之2:25分之12 0.25:6分之5 5分之12:8