157+43= 8.7-7= 0.25×40= 4.8÷0.4=
1- = + = ×0.8= ÷ =
+= ﹣= 3.5×= 2÷0.5=
3.8+0.75= +0.625= ﹣= 2÷0.04= 0.45×80=
87﹣49= 450÷0.9= 34÷7= 6.25×40= 4.3×=
453+198=
10﹣0.03=
0.1÷0.01=
4×0.025=
4.5﹣0.75﹣0.25=
5×4÷5×4=
687+95= 0.46+4.9=
0.5×2.4= 0.84÷0.7= 2.6× =
1.25× ×8=