3.87+0.48 41.2-15.6 8.76-6.09+11.87
16.3-7.6-2.4 8.8+4.3+5.2
9-(3.02+1.25) 2.13-1.59+0.87
⑴520+480÷16+84 ⑵9000÷125÷8
⑶73×15-5×73 ⑷101×85-85
⑸125×32×25 ⑹46×54+54×54
⑺8000÷(48-8×5) ⑻8000÷[(48-8)×5]
①248×67=
②34×405=
③350×90=