0.293乘999加0.235减238等于简算式子_数学解答

0.293乘999加0.235减238等于
简算
式子

人气：432 ℃　时间：2020-06-22 04:04:58

解答

0.293×999+0.235-238
= 0.293×999+0.293-0.058-238
= 0.293×(999+1)-238.058
= 0.293×1000-238.058
= 293-238.058
= 54.942