14.79*0.32-0.479*3.5
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5.6/0.32=(7*0.8)/(0.4*0.8)=7/0.4=35/2也等于17又二分之一
百分之0.47化成小数是0.0047
(1+0.21+0.32)*(0.21+0.32+0.43)-(1+0.21+0.32+0.43)*(0.21+0.32)=(1)*(0.21+0.32+0.43)+(0.21+0.32)*(0.21
0.32*6.7+3.2*0.43-0.32=0.32*(6.7+4.3-1)=0.32*10=3.2一共有359位学员求345最小公倍数60分组是都是少一个人不够一组60-1=59介于300400之
714又20/21
2.5×0.32×1.25=(1.25×0.8)×(2.5×0.4)=1×1=1
=0.32x6.7+0.32x4.3-0.32=0.32x(6.7+4.3-1)=0.32x10=3.2谢谢o(︶︿︶)o再问:лл
再问:写错了再问:是:7.05÷0.47再答:算出来是对的就是除数那儿手误错了
0.26×4.7+7.4×0.47=0.26x10x0.47+7.4x0.47=(2.6+7.4)x0.47=10x0.47=4.7
先算0.125*0.8,也就是0.1,在乘以0.47,就是0.047要记住2*5=1025*4=100125*8=1000
=9.7×0.47+9.7×1.53-9.7×1=9.7×(0.47+1.53-1)=9.7
14.79÷(1+10%)=13又110分之49
8.96*0.32-0.96*0.32=(8.96-0.96)*0.32=8*0.32=(10-2)*0.32=10*0.32-2*0.32=3.2-0.64=2.56
125×0.32×2.5,=(125×0.8)×(0.4×2.5),=100×1,=100.
(1+0.21+0.32)*(0.21+0.32+0.43)-(1+0.21+0.32)*(0.21+0.32)-0.43*(0.21+0.32)=(1+0.21+0.32)*(0.21+0.32+0
2.6*0.76+7.6*0.47=7.6*0.26+7.6*0.47=7.6*(0.26+0.47)=7.6*0.73=7.6*(0.7+0.03)=5.32+0.228=5.548
0.47*0.5*0.8=(0.5x0.8)x0.47=0.4x0.47=0.188再问:太给力了,你的回答完美解决了我的问题!
14.79*0.35-0.479*3.5=1.479*3.5-0.479*3.5=(1.479-0.479)*3.5=1*3.5=3.5
0.47的计数单位是0.01