4.6÷2.3×1.5=
25.6÷0.25÷4 (3.2+0.56)÷0.8
20.16÷1.5÷2.4 (2.3÷0.46-4.5)÷0.25
⑴10.8 ÷ 45 ⑵96 ÷ (9.6 ÷ 8)
⑶9.75 ÷ 2.5 ÷ 0.4 ⑷4.3× 0.8 + 2.6 ÷13