问题 口算题 口算。2.3×5=7.2×2=4.02×10=9.25×0=12×1.1=1.25×0.8=0.5×26=0.4×0.3=0.7×70=10×0.62= 答案 11.5；14.4；40.2；0；13.2；1；13；0.12；49；6.2
