64×0=0 0.2+(0.8+9.51)=10.51 72×6=320 3.26+(0.82+1.74)=5.82 90×3=192 9.44+4.35+9.56=23.35 28+4=32 6.59+(2.09+5.41)=14.09 43+36=79 0.77+(1.23+1.01)=3.01 46+27=73 9.31+(10.3+6.69)=26.3 27+54=81 9.1+18.38-0.38=27.1 75+25=1000 1.4+17.59-8.59=10.4 900÷9=100 11.98+6.14-6.98=11.14 48×4=192 2.53+14.78-8.78=8.53 72-47=45 5.91+(5.33+0.09)=11.33 27+15=42 0.9+9.5+9.5=19.9