2×4+4=____ 3×6+6=____ 4×4-4=____ 5×4+5=____ 2×3-2=____
3×5=____ 2×6=____ 24÷6=____ 16÷4=____ 25÷5=____
—Indeed! One more step and he ________ off the cliff(悬崖).