①16.75+12.82=
②※20-0.85=
16.3-7.6-2.4 8.8+4.3+5.2
9-(3.02+1.25) 2.13-1.59+0.87
0.03+0.52= 3-0.3= 2.5×0.4= 0.4×0.7=
25×4= 37+173= 0.5÷10= 0÷25=
8×99+8= (4+2)×25= 213-57-43= 28÷100×10=