0.06+0.4= 0.88+1.2= 0.7-0.09= 5.4-3.6+4.4=
7.46+8.54= 12-4.37= 3.17÷100=
0.4×100= 54.3÷1000= 125×23×8=
①7.49+4.51-6.479
②6.35+8.24+1.65+2.74
③374×83-83+83×27
④11000÷125
⑤31×(21-65÷5)×25
⑥6000÷(125×6)
2.036≈ 38.763≈
49.96≈ 27.64≈
A.1 B.2 C.3 D.4