×33+66×62.5%+0.625 15.72-2.17-1.83
×[÷(-)] -÷2+5
①0.96×516÷15 ②49÷4+4÷49 ③2019×20192020
④1784×13+1384×25 ⑤(320+2.1)×47÷0.9 ⑥0.5+156÷(0.75+1920)
51×1750 1714−511+1114−611 14÷[78−(38+512)] 36×72+2.8×360
25%×99+25% 48×58−13
59+49÷32×34 19.3-(9.3+4.55)