2:12*70.1-0.121+212*0.3
1个回答
=2.12*(70.1+30)-0.121
=2.12*(100+0.1)-0.121
=212+0.212-0.121
=212.91
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=______.
121×0.18+12.1×0.9-17×1.21
123乘以0.45+12.3乘以0.7减去1.23乘以212,怎样快速算?
利用因式分解进行计算(过程)121×0.13+12.1×0.9-12×1.21
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