927*26+927*85-927*11=
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
927x(26+927)x(85-927)x11=927x(26+927)x85x11-927x11
=927x953x935-927x11
=927x908209-927x11
=927x(908209-11)
=927x908198
=841899546
Vậy 927x(26+927)x(85-927)x11=841899546
![](https://rs.olm.vn/images/avt/0.png?1311)
927 x 26 + 927 x 85 – 927 x 11
=927x(26+85-11)
=927 x100
=92700
ta co:927 x 26 + 927 x 85 - 927 x 11=927 x (26+85-11)
=927 x 100
=92700
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có: 927x26+927x85-927x11
=927x(26+85-11)
=927x100=92700
![](https://rs.olm.vn/images/avt/0.png?1311)
50+49-48+47-46+45-44+43-42+41-40
=142
927*26+927*85-927*11
=927*(26+85-11)
=927*100
=92700
CHỌN MK NHA NGUYỄN THỊ THU NGUYỆT
![](https://rs.olm.vn/images/avt/0.png?1311)
8264 + 927 < 927 + 8300
8264 + 927 > 900 + 8264
927 + 8264 = 8264 + 927
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 2975 + 4017 = 4017 + 2975
2975 + 4017 < 4017 + 3000
2975 + 4017 > 4017 + 2900
b) 8264 + 927 < 927 + 8300
8264 + 927 > 900 + 8264
927 + 8264 = 8264 + 927
![](https://rs.olm.vn/images/avt/0.png?1311)
2 × 6 = 12 6 × 2 = 12 12 : 2 = 6 12 : 6 = 2 | 7 × 4 = 28 4 × 7 = 28 28 : 7 = 4 28 : 4 = 7 | 9 × 3 = 27 3 × 9 = 27 27 : 9 = 3 27 : 3 = 9 | 8 × 5 = 40 5 × 8 = 40 40 : 8 = 5 40 : 5 = 8 |
![](https://rs.olm.vn/images/avt/0.png?1311)
1.1=1
13=1
=>11=11
2.2=4
23=8
=>22=48
3.3=9
33=27
=>33=927
4.4=16
43=64
=>44=1664
5.5=25
53=125
=>55=25125
927×26+927×85-927×11
=927×(26+85-11)
=927×100
=92700
\(927.26+927.85-927.11\)
\(=927.\left(26+85-11\right)\)
\(=927.100\)
\(=92700\)