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37 x 25 + 37 x 35 + 37x 39 + 37
= 37x ( 25+ 35+ 39 + 1)
= 37 x 100
= 3700
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2364 + 37 × 2364 + 63 = 2364 × (37 + 63)
= 2364 × 10 = 23640
![](https://rs.olm.vn/images/avt/0.png?1311)
2364 + 37 × 2364 + 63 = 2364 × (37 + 63)
= 2364 × 10 = 23640
![](https://rs.olm.vn/images/avt/0.png?1311)
2364 x 37 + 2364 x 63 = 2364 × (37 + 63)
= 2364 × 100
= 236400
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135 x 37 + 135 + 62 x 135
= 135 x 37 + 135 x 1 + 62 x 135
= 135 x ( 37 + 1 + 62)
= 135 x 100
= 13500
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a. 2 5 + 3 7 + 3 5 + 4 7 = 2 5 + 3 5 + 3 7 + 4 7 = 5 5 + 7 7 = 1 + 1 = 2
b. 2 3 × 4 9 + 2 3 × 5 9 = 2 3 × 4 9 + 5 9 = 2 3 × 9 9 = 2 3 × 1 = 2 3
`37xx25+37xx35+37xx39+37`
`=37xx25+37xx35+37xx39+37 xx 1`
`=37 xx ( 25 + 35 + 39 + 1)`
`=37xx(60 + 39 + 1)`
`=37xx(60+40)`
`=37xx100`
`=3700`
\(37\times25+37\times35+37\times39+37\)
\(=37\times\left(25+35+39+1\right)\)
\(=37\times100=3700\)