× = ÷ = 2.4× = + ×0=
- = 4.8÷ = 1.8: = ×2÷ ×2=
① × ÷
② × - ÷
③4.8×( + - )
④ + ÷
⑤ ÷0.4+ ×
⑥ ÷[( - )× ]
× ÷
+ × ÷ ×
(请画出线段图并解答)