12×4= 440+500= 1.6+0.11= 2.3+5.6= 2020×0=
63-60= 1-0.15= 4200÷7= 750-35= 0÷10=
0+321= 2.4+6= 8×125= 3.6×1000= 50×6=
2.35×1= 120÷10= 5.2-5.2= 4.87-1.02= 2.2-1.5=
5-2.5= 25×4= 56÷8×2= 12.6÷100= 47-19=
24+6.6= 2.86-0.8= 21+170= 4.82-2.3= 0.01×100=
0.24×10= 3.2+1.4= 3.7+1.3= 0.07+0.7= 8-0.3=
