2.43+1.57=
2- =
× =
640÷8=
4.5× =
25÷50%=
1.25×3.2=
17.5﹣2.5×4=
0.33=
9.04+0.6=
=
5÷0.01=
1÷0.2=
309÷3=
0.125×8=
30%×50=
1﹣0.05=
6.35+3.5=
214+66= 0.86-0.6= 200÷8= 12×70= 0.32=
1.5×60%= 63×= = ÷0.75= ×2.6-2.6×0=
5%×10= 200×80%= 20÷20%= 1﹣75%= 2+150%=
15÷30%= 15×30%= 42÷60%= 90×4.5%= 16÷50%=