27.6*0.45=12.423.78÷3.6=1.051.79÷3.6≈0.51.2*0.415≈0.50
(1)27.6*0.45=12.42; 27.6 * 0.45 . 1380 1104 . 12.420 (2)7.04*0.26=1.8304; 7.04 * 0.26 . 4224 1408 . 1.8304 (3)5.08*0.25=1.27; 5.08 * 0.25 . 2540 1016 . 1.2700 (4)2.9*1.8=5.22≈5.2;
列式计算为1.9*0.45=0.855所以原式的计算结果为0.855
27.6*0.45=12.428.08*2.6=21.0085.54*29=160.567.04*0.26=1.8304
27.6*0.45=14.49 5.63÷7.8≈0.72
2.76*4.3
再看看别人怎么说的.
34245 1710 13680 15390 0.15390 亲,请您采纳,您的采纳是我的动力,谢谢.
15.66-3.98 脱式计算 要简便计算 15.66-3.98 =15.66-4+0.02 =11.66+0.02 =11.68