①1.36+2.56+3.44=1.36+(2.56+3.44)=1.36+6=7.36②3.48+4.25+6.52=(3.48+6.52)+4.25=10+4.25=14.25③0.45+(9.55+8.36)=(0.45+9.55)+8.36=10+8.36=18.36④12.56-6.78-3.22=12.56-(6.78+3.22)=12.56-10=2.56⑤25.78-8.96-5.78=(25.78-5.78)-8.96=20-8.96=20-9+0.04=11+0.04=11.04⑥15.76-(5.76+4.28)=15.76-10=5.76⑦4.48-6.85+5.52=(4.48+5.52)-6.85=10-6.85=3.15⑧56.2+12.57-6.2=(56.2-6.2)+12.57=50+12.57=62.57⑨8.8×1.25=1.1×(8×1.25)=1.1×10=11⑩44×2.5×7=(4×2.5)×(11×7)=10×77=770