3.48+6.42=
36×25%=
=
2a×a=120dm:24dm=
10-0.76=
2÷10%=
①567-199=
②4.28+6.72=
③0.5×20%=
④
⑤
⑥
⑦
⑧
3.14×9=
8.1÷0.3=
3.14×16=
⑴7.2÷4=
⑵÷12=
⑶75× 10%=
⑷1-1÷8=
⑸
⑹10-0.86=
⑺
⑻
86+38=
197-79=
1.4+0.55=
2.5×4=
0.1×0.8=
4÷40%=
540÷0.9=
24×0.3=
597×7≈
6287÷9≈
+=
÷=
1+25%= 36%÷3= 1÷12.5%= 2.5%+2=
1-50%= × = 0÷8 = 1÷ =
460+290= 6-0.4= 15%+20%=
0.32= 0.25×40= 11b-7b=
372÷37≈ 化简比87:29=