60,50 - 45,69 - 5,50

= 60,50 - 5,50 - 45,69

= 55 - 45,69

= 9,31

k nha

60,50 - 45,69 - 5,50

= (60,50 - 5,50) - 45,69

= 55 - 45,69

= 9,31

k mình nha

Mình cảm ơn các bạn nhiều

50,9-45,69-4,9

=46-45,69

=0,31

50,90 - 45,69 - 4,90

=(50,90 - 4,90) - 45,69

= 46 - 45,69

= 0,31

k mình nha

Mình cảm ơn các bạn nhiều

Thank you very much

trả lời vớ vẩn

`@` `\text {Ans}`

`\downarrow`

`2023 \times 14 + 2023 \times 83+97`

`= 2023 \times (14+83) + 97`

`= 2023 \times 97 + 97`

`= 196231 +97`

`= 196328`

`78 \times 31+78 \times 24+78 \times 17+78 \times 22 \times 72`

`= 78 \times (31+24+17+22 \times 72)`

`= 78 \times (31+24+17+1584)`

`= 78 \times 1656`

`= 129168`

`371 \times 69+371 \times 14+629 \times 83`

`= 371 \times (69+14) + 629 \times 83`

`= 371 \times 83 + 629 \times 83`

`= 83 \times (371+629)`

`= 83 \times 1000`

`= 83000`

`91 \times 51+49 \times 163-49 \times 72`

`= 91 \times 51 + 49 \times (163-72)`

`= 91 \times 51+49 \times 91`

`= 91 \times (51+49)`

`= 91 \times 100`

`= 9100`

`3 \times 12 \times 17 + 4 \times 9 \times 81 + 2 \times 6 \times 6`

`= 9 \times 4 \times 17 + 4 \times 9 \times 81 + 4 \times 9 \times 2`

`= 9 \times 4 \times (17+81+2)`

`= 36 \times 100` 

`= 3600`

`42 \times 17 + 58 \times 83 \times 42 \times 83 + 42 \times 83 + 17`

`= 17 \times (42+58) + 42 \times 83 \times (58 \times 83 +1)`

`= 17 \times 100 + 3486 \times 4815`

`= 1700 + 16785090`

`= 16786790`

83 . 27 + 83 . 35 + 17 . 62

= 83 ( 27 + 35 ) + 17 . 62

= 83 . 62 + 17 . 62

= 62 ( 83 + 17 )

= 62 . 100

= 6200

83 x 27 + 83 x 35 + 17 x 62

= 83 x ( 27 + 35 ) + 17 x 62

= 83 x 62 + 17 x 62

= 62 x ( 83 + 17 )

= 62 x 100

= 6200

a,17/20+13/15+41/60

=255/300+260/300+41/60

=515/300+41/60

=103/60+41/60

=144/60=12/5

b,129 x 83 -83 x 20 -9 x 38

=10707-1660-342

= 9047 -342

=8705

a.=2,4

b.=8705

a)

13 x 81 + 13 x 19 

= 13 x ( 81 + 19 )

= 13 x 100 = 1300

b)

246 x 83 + 246 x 17

= 246 x ( 83 + 17 )

= 246 x 100

= 24600

c)

246 x 83 + 247 x 17 

= 246 x 83 + 246 x 17 + 17

= 246 x ( 83 + 17 ) + 17

= 246 x 100 + 17 

= 24600 + 17

= 24617

          Ủng hộ mik nhak !!!

   13x81+13x19

=13x(19+81)

=13x100

=1300

  246x83+246x17

=246x(83+17)

=246x100

=24600

= 83 x 17 - 830 - 83 x 7

= 83 x (17 - 7) - 830

= 83 x 10 - 830

= 830 - 830 

=0

=83x17-830-83x7

=83x17-83x10-83x7

=83x(17-10-7)

=83x0

=0

mh nha thanks nhiều!!!!!!!!!!!