121*0.18+12.1*0.9-17*1.21
1个回答
121×0.18+12.1×0.9-17×1.21
=1.21×18+1.21×9-17×1.21
=1.21×(18+9-17)
=1.21×10
=12.1
相关问题
121×0.18+12.1×0.9-17×1.21
计算:121×0.13+12.1×0.9-12×1.21=______.
计算:121×0.13+12.1×0.9-12×1.21=______.
利用因式分解进行计算(过程)121×0.13+12.1×0.9-12×1.21
1/12*()=()*5/17=0.3*()=()*9=1
12+1+0+1+21+0+1+21+0+12+1+01+2+
脱式计算(能简算的要简算)1.18×2.58+0.5+1.42×1.18 (21.85-17.5)×(0.45÷0.9)
-0.85*8/17-18*2*7+【18/7/9-9/17*0.85】
2:12*70.1-0.121+212*0.3
数学题化简比1/2:17/20= 0.18:0.8=9:40或9:0.