320×3=960, 750÷5=150, 1240÷40=31,
2000÷8=250, 36÷3=12, 680÷4=170,
91×30=2730, 560÷80=7, 590÷6≈100,
540÷59≈9, 362÷40≈9, 96÷6=16.
320×3=960, 750÷5=150, 1240÷40=31,
2000÷8=250, 36÷3=12, 680÷4=170,
91×30=2730, 560÷80=7, 590÷6≈100,
540÷59≈9, 362÷40≈9, 96÷6=16.