8吨70千克=吨 4元8分=元
4.6×100= 0÷78= 76×5= 0.97-0.09=
74÷100= 0.81+0.09= 0.27+0.43= 3.4-0.08=
1.7+8.3= 2-1.05= 125×80= 0.8-0.07=
100×3.25÷10= 50-20÷5= (200-200)÷5= 35×25×4=
①19-9.09+1.9
②14.9+5.08+3.92+2.1
③5000÷125÷8
④125×25×32
⑤99×37+37
⑥1520-(1070+28×2)