1-0.37=0.63, 61×0=0, 0.43+
6
10 =1.03, 9.21+0.47=9.68, 0÷A=0,
25×12=300, 125÷100=1.25, 5×64×2=640, 600÷25÷4=6, 36-36÷4=27.