问题 口算题 口算。6×3=97-70=4×6=50-7=29+7=3×3=42-8=5×2=4×4=40+36=63-40=41-9=62-7=2×6=26+30=2×2=3×5=3×4=5×4=40+17= 答案 (竖)18,36,16,55,15,27,12,12,76,9,24,34,23,56,20,43,10,32,4,57