-7 + 12, Positive, Negative, 15 - 28, Positive, Negative, -9 - 4, Positive, Negative, 6 × -3, Positive, Negative, -8 × -2, Positive, Negative, -20 ÷ 5, Positive, Negative

oleh

Gaya visual

Paparkan semua

Tetapan aktiviti

Papan mata

Tukar templat

Pulihkan autosimpan: ?