①5.6×125%×0.8 ② ③
①27×24-585÷45 ②
③7.28-(2.25+1.28) ④
⑤ ⑥
⑴ 1.8÷1.5-0.5 × 0.3 ⑵ 1 ÷2.5 ÷4
⑶ 16 × 102 ⑷ × + ÷
⑸5 ×( × )× 7 ⑹ [ -( -60%)]÷
①(2.3+2.3+2.3+2.3)×2.5
②7.2×85%+2.8×0.85
③( + - )×24
④ ÷[ ×( - )]
⑤[( -0.25)× +0.3]÷