100+90453=?
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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)
![](https://rs.olm.vn/images/avt/0.png?1311)
ok
\(\frac{9}{100}=>\frac{13}{100}=>\frac{14}{100}=>\frac{15}{100}=>\frac{16}{100}=>\frac{17}{100}=>\frac{20}{100}\)
\(=>\frac{20}{100}=>\frac{24}{100}=>\frac{25}{100}=>\frac{29}{100}=>\frac{31}{100}=>\frac{36}{100}=>\frac{37}{100}=>\frac{67}{100}\)
\(\frac{93}{100}=>\frac{100}{99}=>\frac{100}{94}=>\frac{100}{92}=>\frac{100}{91}=>\frac{100}{89}\)
9/100 13/100 14/100 15/100 16/100 17/100 20/100 24/100 25/100 29/100 31/100 36/100 37/100 67/100 93/100 100/99 100/94 100/92 100/91 100/89.
![](https://rs.olm.vn/images/avt/0.png?1311)
100+100+100+100-100+100
=400
tích mình mình tích lại
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
100-100+100-100+100-100
=0+100-100+100-100
=100-100+100-100
=0+100-100
=100-100
=0
![](https://rs.olm.vn/images/avt/0.png?1311)
100 + 100 + 300 - 100 - 100 x 100 - 100
= 100 + 100 + 30 - 100 - 10000 - 100
= 200 + 30 - 100 - 10000 - 100
= 230 - 100 - 10000 - 100
= 130 - 10000 - 100
= -9870 - 100
= -9970
Lớp 4 họk số âm rùi à
![](https://rs.olm.vn/images/avt/0.png?1311)
100 + 100 + 100 + 100 + 100 + 100 + 100 + 100
= 100 x 8
= 800
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 50 + 50 + 50 + 50 + 50 + 50 + 50 + 50 + 50 + 50 + 50 + 50 = 50 x 12
= 600
b) 100 + 100 + 100 + 100 + 100 + 100 + 100 + 100 + 100 = 100 x 9
900
TL:
90553
= 90553