=35.(34+38) + 65.(75+45)
=35 . 72 +65 . 120
= 10320
35 x 34 + 35 x 38 + 65 x 75 + 65 x 45
= 35 x ( 34 + 38 ) + 65 x ( 75 x 45 )
= 35 x 72 + 65 x 120
= 2520 +7800
=10320
35 x 34 + 35 x 38 + 65 x 75 + 65 x 45
= 35 x ( 34 + 38 ) + 65 x ( 75 + 45 )
= 35 x 72 + 65 x 120
= 2520 + 7800
= 10320
35 × 34 + 35 × 38 + 65 × 75 + 65 × 45
35x(34+38)+65x(75+45)
35x72+65x120
2520+7800
=10320
=35.(34 +38) + 65.(75+45)
=35.72+65.120
=2520+7800
=10320
Ta có:
35 x 34 + 35 x 38 + 65 x 75 + 65 x 45
= 35 x ( 34 + 38 ) + 65 x ( 75 + 45 )
= 35 x 72 + 65 x 110
= 2520 + 6500
= 9020