解:1.9*8.8-0.88=19*0.88-0.88=(19-1)*0.88=18*0.88=15.84 应该是这样,希望我的答案对你有帮助!
1.9*8.8-0.881.9*8.8-0.1*8.81.8*8.8=15.84
1.9*8.8-0.88=19*0.88-0.88=(19-1)*0.88=18*0.88=15.84
好难