40减去12.9与4.01的和,差是.
①125×108
②37×99+37
③87×8-8×12+25×8
④14.68+7.5-11.95
⑤350×[420÷(76-16)]
⑥32.5-0.46-4.54
16.5-4.72-5.28
①8000÷25÷4
②125×32×25
③101×82-82
④125×[84-(100-24)]
⑤99×45+45
⑥4.02-3.5+0.98