7.8×250=
195÷0.78=
①3×0.4=
②3.9÷0.3=
③348÷4.9≈
④1.17+0.83×0=
⑤(5.6+0.56)÷8=
2.4×0.5=
0.26×101=
14÷3.5=
4.8×37.5%=
0.32=
10.3-1.03=
2.5-0.25÷0.5=
0.567÷0.7=
0.52=
4x-3x=
5a× a=
8b÷2=
4.5+5=
1.25×80
0.03÷0.01=
0.9-0.09=
23m-11.2m-0.8m=
2.5+0.5=
0.07×10=
1-0.25=
4.5-1.09=
0.4×5=
12.4n-4n=
0.16÷0.4=
4÷0.05=