( − 48 ) .72 + 36. ( − 304 ) = ( − 48 ) .2.36 + 36. ( − 304 ) = ( − 96 ) .3 + 36. ( − 304 )

(-48).72+72.(-152)=72.(-200)=-14400

a)  ( − 4 ) .13. ( − 250 ) = ( − 4 ) . ( − 250 ) .13 = 1000.13 = 13000

b)  ( − 37 ) .84 + 37. ( − 16 ) = ( − 37 ) .84 + ( − 37 ) .16 = ( − 37 ) . ( 84 + 16 ) = ( − 37 ) .100 = − 3700

c)  25. ( − 5 ) .4. ( − 20 ) = 25.4. ( − 5 ) . ( − 20 ) = 100.100 = 10000

d)  ( − 48 ) .72 + 36. ( − 304 ) = ( − 48 ) .2.36 + 36. ( − 304 ) = ( − 96 ) .3 + 36. ( − 304 )

b) 136 . (-47) +136 . (-304)

= 136 . [(-47) + (-304)]

= 136. (-351) = -47736

c) (-48) .72 +36 . (-304)

= (-48).72 + 72 . (-152)

= 72. [(-48) + (-152)]

= 72. (-200) = -14400

\(\left(-48\right)\cdot72+36\left(-304\right)\)

\(=36\left(-48\cdot2-304\right)\)

\(=36\cdot\left(-400\right)\)

\(=-14400\)

\(48\left(-21\right)-142\left(-24\right)\)

\(=24\left[2\left(-21\right)+142\right]\)

\(=24\cdot100\)

\(=2400\)

a) \((-48).72 + 36.(-304)\)

\(=\left(-48\right).72+72.\left(-152\right)\)

\(=72.\left(\left(-48\right)-152\right)\)

\(=72.\left(-200\right)\)

\(=-14400\)

Nguyễn Huy TúNguyễn Huy ThắngHoàng ThịTrương Hồng Hạnh Ngọc AnhAkNguyễn Phương Trâmai Harumasoyeon_Tiểubàng giảiHoàng Lê Bảo NgọcHung nguyenHoàng Tuấn Đăng

@bảo nam trần

= (-48)2.36+36(-304)
= -96.36+36(-304)
= 36(-96-304)
= 36(-400)
= -14400

Kết quả : -14400

tk cho mk nha bn 

^_^