÷= ×= 4÷= 1.2×=
÷0.5= 4.9×= 1.2×= 1÷×
=
1.2÷=
×0.375=
0.3×=
3,6,9,15,24,,63,
5.4÷0.09= 7.75+3.86-7.75+1.14= 2.5×0.99×0.4=
26.2+38= 40×0.1÷0.001= 56.27- 3.73-46.27=