7*0.17/0.37*27 *7142.85=?
7*0.17/0.37*27 *7142.85=?
(0.37+0.29+2)*(0.37+0.29+0.17)-(2+0.37+0.29+0.17)*(0.37+0.29
x/7-(0.17-0.2x)/0.03=1过程
奥数计算题:(0.37+0.29+2)×﹙0.37+0.29+0.17﹚-﹙2+0.37+0.29+0.17﹚×﹙0.3
1.53.7*0.37+5.37*6.3
3.65 *4.7-36.5 *0.37=
(@*0.17)+@=2.2. @等于多少
(2000+3000)*0.17+(12000*0.5+10000*0.6)*0.17=2890
求详解 X*0.17-100*0.17=X*0.35
0.37(7无限循环)怎么化成分数
金属材料名称理解30CrMo材料,化学成分:C:0.26~0.34Si:0.17~0.37Mn:0.40~0.70Cr:
2.8x-0.17=0.4x+0.19