3.7×2.06= 2.7÷0.18=
⑴7.2-2x=5 ⑵3x-3×1.9=27.6
0.54÷9=
0.1÷0.01+8.5=
2.6×7÷2.6=
b+8×b=
(0.6+2.4)×0.9=
0÷77.1=
1.6+0.4÷0.2=
①3×0.4=
②3.9÷0.3=
③348÷4.9≈
④1.17+0.83×0=
⑤(5.6+0.56)÷8=
3.1+0.4= += 640÷16= ×3×4=
10÷= ×= 2.4×= 25×40%=