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=1 Vì rút gọn

Học tốt !

ko rút gọn :(

1272 giờ

1272

Số kg gạo túi thứ hai đựng là 8 : \(\frac{1}{3}\) = 24 (kg)

Số kg gạo túi thứ hai đựng nhiều hơn túi thứ nhất là 24 - 8 = 16 (kg)

16 kg gạo                                         

244442

22222x11=244442

Số số hạng của dãy số là:

10-0+1=11(số)

Tổng của dãy số là: \(\left(10+0\right)\times\frac{11}{2}=10\times\frac{11}{2}=5\times11=55\)

8888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888+999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999=bao nhiêu?

dung có số bi là:

80-8=72(viên)

1/8 số bi của dung là :

72:8=9(viên)

dung cho hùng số viên bi là:

9-2=7(viên)

mỗi bạn có số viên bi là:

72-7=65(viên)

lúc đầu hùng có số viên bi là:

65-7=58(viên)

       đáp số:58 viên bi

kết quả là 58 nha bn!

số thươ là 6

gấp rưỡi  = gấp 3/2 = 1,5

buổi chiều vác được:

8 x 1,5 = 12 ( bao )

đáp số: 12 bao

12 bao

a) 32 + (53 + 58) + 47 = (32 + 58) + (53 + 47) = 90 + 100 = 190

B) 53 + 8 * 53 + 53 = 53 * 1 + 53 * 8 + 53 * 1 = 53 * (1 + 8 + 1) = 53 * 10 = 530

\(77+2\times x=87\)

            \(2\times x=87-77\)

             \(2\times x=10\)

                     \(x=10:2\)

                      \(x=5\)

Vậy \(x=5\)

2xX=87-77

2xX=10

X=10:2

X=5