小学二年级数学加减乘除混合口算题卡

2 × 3 + 49 = 15 ÷ 5 - 1 = 20 ÷ 4 - 3 = 18 ÷ 3 + 32 = 56 ÷ 7 + 44 = 2 × 9 + 48 = 6 ÷ 6 + 73 = 1 × 4 -