36×1.02+1.2×69.）_数学解答

36×1.02+1.2×69.）

人气：248 ℃　时间：2020-07-03 19:39:49

解答

36×1.02+1.2×69.4
=36×(1+0.02)+1.2×(70-0.6)
=36+0.72+84-0.72
=36+84
=20+16+84
=120