Khối lượng của 30 bao gạo tẻ là:

30 x 40 = 1200 ( kg )

Khối lượng của 40 bao gạo nếp là:

40 x 20 = 800 ( kg )

Đổi : 1200 kg = 1,2 tấn

         800 kg = 0,8 tấn

Xe đó chở được số tấn gạo là:

1,2 + 0,8 = 2 ( tấn )

               Đáp số : 2 tấn gạo

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Xe đó chở số tấn gạo là:

(30×40)+(40×20)=2000(kg)=2(tấn)

                              Đáp số: 2 tấn

Số kg gạo tẻ là:

30.40=1200 (kg)

Số gạo  nếp là:

40.20=800 (kg)

Xe chở số tấn gạo là:

800+1200=2000(kg)

2000 kg=2 tấn

Đáp số : 2 tấn

Khối lượng của 30 bao gạo tẻ là:

30 x 40 = 1200 ( kg )

Khối lượng của 40 bao gạo nếp là:

40 x 20 = 800 ( kg )

Đổi : 1200 kg = 1,2 tấn

         800 kg = 0,8 tấn

Xe đó chở được số tấn gạo là:

1,2 + 0,8 = 2 ( tấn )

               Đáp số : 2 tấn gạo

Xe đó chở \(30\times40+40\times20=1200+800=2000\left(kg.gạo\right)=2\left(tấn.gạo\right)\)

Cân nặng của 30 bao gạo tẻ:

\(30\times40=1200\left(kg\right)\)

Cân nặng của 40 bao gạo nếp:

\(40\times20=800\left(kg\right)\)

Số gạo xe đó chở:

\(1200+800=2000\left(kg\right)=2\left(tấn\right)\)

khối lượng của xe đó là 2600kg nha 

nhớ nhé

20 bao gao nep can nang so kg la:

  20x45=900(kg)

20 bao gao te can nang so kg la:

   20x40=800(kg)

Xe do can nang so kg la:

  900+800=1700(kg)

                D/S:1700 kg

 Xe đó chở được tất cả :

   ( 45 . 20 ) + ( 40 . 40 ) = 2500 ( kg ) 

đ/s : ...

Nếu bạn không làm gộp bạn có thể tách ra làm 3 lời giải 

Số gạo tẻ xe đó chở là:

   40 x 30 = 1200 (kg)

Số gạo nếp xe đó chở là:

   20 x 40 = 800 (kg)

Số gạo xe đó chở là:

   1200 + 800 = 2000 (kg)

                      Đ/S: 2000 kg

Số kg gạo nếp là: 

40 x 20 = 800 (kg)

Số kg gạo tẻ là :

30 x 40 = 1200 (kg)

Xe chở tổng số tấn gạo là: 

1200 + 800 = 2000 (kg) = 2 (tấn)

Xe đó chở:

\(30\cdot40+40\cdot20=2000\left(kg\right)\)

Đổi 2000kg=2 tấn

Số gạo tẻ cân nặng :

30 x 40 = 1200 ( kg )

Số gạo nếp cân nặng  :

40 x 20 = 800 ( kg )

Xe độ cho hàng nặng :

1200 + 800 = 2000 ( kg ) = 2 tấn

                  Đáp số : 2 tấn

                                               Bài giải 

Xe đó chở số ki lô gam gạo tẻ là : 30 x 40 = 1200 ( kg )

Xe đó chở số ki lô gam gạo nếp là : 20 x 40 = 800 ( kg )

Xe đó chở số tấn gạo là : 1200 + 800 = 2000 ( kg )

                                 Đổi : 2000 kg = 2 tấn 

                                                     Đáp số : 2 tấn 

Số gạo tẻ cân nặng là:

40 x 30 = 1200 (kg)

Số gạo nếp cân nặng là:

20 x 40 = 800 (kg)

Xe đó chở số kg gạo là:

1200 + 800 = 2000 (kg) 

Đổi 2000 kg = 2 tấn

                  Đáp số: 2 tấn

 30 bao gạo tẻ cân nặng 30 x 40 =1200 (kg)

40 bao gạo nếp cân nặng 40 x 20 = 800 (kg)

Khối lượng gạo xe đó chở là 1200 + 800 = 2000 (kg)

Đổi 2000kg = 2 tấn

Bài giải

Khối lượng gạo tẻ xe đó chở được là :

40 x 30 = 1200 kg gạo = 1,2 tấn gạo

Khối lượng gạo nếp xe đó chở được là :

20 x 40 = 800 kg gạo = 0,8 tấn gạo

Khối lượng gạo xe đó chở được tất cả là :

1,2 + 0,8 = 2 tấn gạo

Đáp số: 2 tấn gạo.

Xe đó chở số kg gạo tẻ là:

            30x40=1200 ( kg )

Xe đó chở số kg gạo nếp là:

            40x20=800 ( kg )

Vậy xe đó chở số kg gạo là:

            1200+800=2000 ( kg )

Đổi:        2000 kg = 2 tấn

          Đáp số: 2 tấn

2000  kg  k nhaaa cam on nhieu

20 bao gạo tẻ cân nặng là

50x20=1000 kg

40 bao gạo nếp cân nặng là

25x40=1000 kg

xe đó chở số tấn là

1000+1000=2000 kg

đáp số : 2000 kg

chúc bạn học giỏi hơn 

tk mình nha

xe đó chở bao gaọ  tẻ hết số tấn là:50 * 20=1000(kg)=1 tấn

xe đó chở số tấn gạo nếp là:25*40=1000(kg)=1 tấn

 xe đó chở tất cả số tấn gạo là:1+1=2(tấn)

                                              Đáp số:2 tấn

Khối lượng của gạo tẻ :

     30 x 40 = 1200 ( kg )

Khối lượng cụa gạo nếp :

     40 x 20 = 800 ( kg )

Khối lượng mà xe đó chở :

     1200 + 800 = 2000 ( kg )

     2000 kg = 2 tấn

Đáp số : 2 tấn

số kg gạo tẻ tất cả là

40 x 30 = 1200 kg

số kg gạo nếu là

40 x 20 = 800 kg

có tất cả số kg là

1200 + 800 = 2000 kg 

đổi 2000 kg = 2 tấn,

có tất cả 2 tấn gạo

TL : 

30 bao gạo tẻ nặng số cân là :

    40 . 30 = 1200 ( kg gạo tẻ )

40 bao gạo nếp nặng số cân là :

    20 . 40 = 800 ( kg gạo nếp ) 

Xe tải đó chở được số tổng số gạo tẻ và nếp là : 

    1200 + 800 = 2000 ( kg ) 

Đổi 2000 kg = 2 tấn 

      Đáp số : 2 tấn gạo