Môn Toán Lớp 6: 13) 17.85 15.17 -17 14) 17.85 15.17 -120 15) 24.85 15.24 -230 16) 567.43 567.67 -10.567 17) 13.75 13.25 -140 18) 25.73

Question

Môn Toán Lớp 6:  13) 17.85 +15.17 -17   14) 17.85 +15.17 -120   15) 24.85+ 15.24 -230   16) 567.43 +567.67 -10.567   17) 13.75+ 13.25 -140   18) 25.73+ 25.27- 100

trucoanh55 · Answer

${xin}$ hay nhất   13) 17.85 +15.17 -17   =17.(85+15)-17   =17.100-17   =1700-17   =1683   14) 17.85 +15.17 -120   =17.(85+15)-120   =17.100-120   =1700-120   =1580   15) 24.85+ 15.24 -230   =24.(85+15)-230   =24.100-230   =2400-230   =2170   16) 567.43 +567.67 -10.567    =567.(43+67-10)   =567.100   =56700   17) 13.75+ 13.25 -140   =13.(75+25)-140   =13.100-140   =1300-140   =1160   18) 25.73+ 25.27- 100   =25.(73+27)-100   =25.100-100   =2500-100   =2400   $#Luong0964991233$

kymmailien · Answer

@Ma   13)17.85+15.17-17   =17.85+15.17-17.1   =17.(85+15-1)   =17.99   =1683   __________   14)17.85+15.17-120   =17.(85+15)-120   =17.100-120   =1700-120   =1580   __________   15)24.85+15.24-230   =24.(85+15)-230   =24.100-230   =2400-230   =2170   __________   16)567.43+567.67-10.567   =567.(43+67-10)   =567.100   =56700   __________   17)13.75+13.25-140   =13.(75+25)-140   =13.100-140   =1300-140   =1160   __________   18)25.73+25.27-100   =25.(73+27)-100   =25.100-100   =2500-100   =2400

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