Tính nhanh: (372 - 19 x 4) + (981 : 9 - 13)
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(372 - 19 x 4) + (981:9-13)
= (372 - 76) + (109 - 13)
= 296 + 96
= 392
![](https://rs.olm.vn/images/avt/0.png?1311)
372-19 x 4 + 981:9 -13
=372-76+109-13
=296+109-13
=405-13
= 392
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
( 372 - 19 * 4 ) + ( 981 : 9 - 13 )
= ( 372 - 76 ) + ( 109 - 13 )
= 296 + 96
= 392
Ủng hộ tớ nhé Ánh !
( 372 - 19 x 4 ) + ( 981: 9 - 13 )
= ( 372 - 76 ) + ( 109 - 13 )
= 296 + 96
= 392
k cho minh di, minh k lai cho ban gap doi. thanks !!!
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![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(\left(42\times43+43\times57+43\right)-360:4\)
\(=43\times\left(42+57+1\right)-90\)
\(=43\times100-90\)
\(=4300-90\)
\(=4210\)
b) \(\left(372-19\times4\right)+\left(981:9-13\right)\)
\(=\left(4\times93-19\times4\right)+\left(109-13\right)\)
\(=4\times\left(93-19\right)+109-13\)
\(=4\times74+109-13\)
\(=296+109-13\)
\(=392\)
c) \(456:2\times18+456:3-102\)
\(=456\times\frac{1}{2}\times18+456\times\frac{1}{3}-102\)
\(=456\times\left(\frac{1}{2}\times18+\frac{1}{3}\right)-102\)
\(=456\times\left(9+\frac{1}{3}\right)-102\)
\(=456\times\frac{28}{3}-102\)
\(=4256-102\)
\(=4154\)
ko bk tính nhanh!
a)( 42 x 43 + 57+43 ) - 360 :4 b) (372 - 19 x 4 ) + ( 981 : 9 - 13 )
= 43 x (42 + 57 +1 ) - 90 = (372 - 76 ) + ( 109 - 13)
= 43 x 100 - 90 = 296 + 96
= 4300 - 90 = 392
= 4210
![](https://rs.olm.vn/images/avt/0.png?1311)
a, ( 372 - 19 . 4 ) + ( 981 : 9 - 13 )
=( 93 . 4 - 19 . 4 ) + ( 109 - 13 )
= 4 . ( 93 - 19 ) + 96
= 4 . 74 + 4 . 24
= 4 . ( 74 + 24 )
= 4 . 98
= 392
![](https://rs.olm.vn/images/avt/0.png?1311)
432 . bạn tick đúng cho mình đi rồi mình trả lời cho
= 432 nha