填数.
4=-=-=-=-=-
4=10-6=9-5=8-4=7-3=6-2=5-1=4-0
72÷6×5=____ 2×(15-7)=____ 51÷(17-14)=____ 54 –(13+18)=____
62-32 ÷4 =____ 25-8 ×2 =____ 8×2÷4 =____ 35-10 +26 =____
8×9÷6=____ 68+32-49 =____ 3×8÷6=____