A)5+ 10+ 6– 7–4 33 7
Bài 2: (3 điểm) Tính:a)5+ 10+ 6– 7–4 33 7
. . .
b) 6 + 2 =. . . .
6 + 2 + 2 =. . . .
10 + 0 =. . . .
10 – 5 – 3 =. . . .
8 – 3 =. . . .
4 + 3 – 2 =
. . . .
5 – 2 =. . . .
9 – 4 + 5 =
. . . .
. . .
b) 6 + 2 =. . . .
6 + 2 + 2 =. . . .
10 + 0 =. . . .
10 – 5 – 3 =. . . .
8 – 3 =. . . .
4 + 3 – 2 =
. . . .
5 – 2 =. . . .
9 – 4 + 5 =
. . . .