17.48*37-174.8*2.7简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/10 00:21:23
17.48*37+174.8*1.9+8.74*88=(17.48*10)*(37/10)+174.8*1.9+8.74*(2*44)=174.8*3.7+174.8*1.9+17.48*44=174
2×8.74=17.48
70.3-17.48÷7.6【没有简便方法】=70.3-2.3=68
37+()
17..48*37+17.48*19.1+44*17.48=17.48*(37+19.1+44)=17.48*(100+0.1)=17.48*100+1.748=1749.748回答完毕谢谢采纳!
2009×20082008-2008×20092009=2009×2008×1001-2008×2009×1001=017.48×37+174.8×1.9+8.74×88=17.48×37+17.48
17.48×(-37)+8.74×(-88)-1748×1.9=17.48×(-37)+17.48×(-44)-17.48×19=17.48×(-37-44-19)=17.48×(-100)=-174
17.48*37-174.8*1.9+17.8*82=1774.24
原式=17.48×37+17.48×82-17.48×19=17.48×(37+82-19)=17.48×100=1748
1)17.48×37-174.8×1.9+1.748×820=17.48×(37-19+82)=17.48×100=17482)5.4×3.8-6.5×4.4+2.7×5.4=5.4×(3.8-6.5
7.48+3.17-(2.48-6.83)=7.48+3.17-2.48+6.83=(7.48-2.48)+(3.17+6.83)=5+10=153.6*11.1+1.2*66.7=1.2*3*11.
17.48*37-174.8*1.9+34.96*14=17.48*37-17.48*19+17.48*28=17.48*(37-19+28)=17.48*46=804.08
(1)17.48×37-174.8×1.9+1.748×820=17.48×37-17.48×19+17.48×82=17.48×(37-19+82)=17.48×100=1748(2)0.5×1.6
(1)0.37×12.5×0.15×8×2=0.37×(12.5×8)×(0.15×2)=0.37×100×0.3=37×0.3=11.1;(2)17.48×37-174.8×1.9+17.48×82
17.48×37+174.8×6.3=17.48×37+17.48×63=17.48×(37+63)=17.48×100=1748
原式=17.48×37+17.48×19+17.48×44=17.48×(37+19+44)=17.48×100=1748.
hi,baby17.48×-37+8.74×-88-174.8×1.8=﹣660.08﹢﹙﹣769.12﹚﹣314.64=﹣1429.2-314.64=-1743.84
17.48×-37+8.74×-88-174.8×1.9=17.48×-37+17.48×-44-17.48×19=17.48×(-37-44-19)=17.48×-100=-1748
25×(37+37+37×37)=25×(37×39)=25×(40-1)×37=(1000-25)×37=37000-25×(40-3)=37000-(1000-75)=37000-1000+75=
174.8×(3.7+1.9+4.4)=1748再问:解析一下再答:1.17.48要变成174.8就要×10所以37为3.72.不变所以为1.93.8.74要变成174.8就要÷0.05所以88为4.