vào mùa gặt,những cánh đồng lúa chín vàng rực rỡ dưới ánh nắng mặt trời

đáp số : 194

a: 1/6 là 3.
b: 1/2 là 3.

2 lô đất có số hàng là:

2 x 4 = 8 (lô)
khu vườn đó trồng được số câycon là :

101 x 8 = 808( cây )

Đáp số : 808 cây con.

góc vuông đỉnh B, góc vuông đỉnh D.

góc không vuông đỉnh A, góc không vuông đỉnh C.

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