①0,1,1,2, 3,5,8,13,21, ,55.
② 1, 3,7, 15, 31, , 127, 255.
9:=%= =:120=(填小数)
①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥