1、(0.18+12.74除以7)乘0.5的简便计算 2、3.84乘0.84+0.616乘8.4的简便计算 3、0.92除以0.4_其他解答

1、(0.18+12.74除以7)乘0.5的简便计算 2、3.84乘0.84+0.616乘8.4的简便计算 3、0.92除以0.4减2.3

人气：438 ℃　时间：2019-11-04 15:48:20

解答

1、(0.18+12.74÷7)×0.5 =（0.18+1.82）×0.5 =2×0.5 =1 2、3.84×0.84+0.616×8.4 =0.384×8.4+0.616×8.4 =（0.384+0.616）×8.4 =1×8.4 =8.4 3、0.92÷0.4-2.3 =2.3-2.3 =0