Kết quả phép tính trên là:
10 : 2 x 3 + 6 - 2
= 5 x 3 + 4
= 15 + 4
= 19
Đáp số: 19
10 ; 2 x 3 + 6 - 2
= 5 x 3 + 4
= 15 + 4
= 19
x:2x3=6
hay chung minh 2x3=6
2+2+2x2+2x3=
720 :[X +2 x X +3] =2x3
Bài 1:tính giá trị biểu thức
528+216:2x3. 6546:2-(32x3)
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Tìm X biết 720:(X x 2 + X x 3) = 2x3
tìm X :
720 : ( X x 2+ X x 3)= 2x3
x:8=2x3
X+50-2x3=54
