用简便方法计算:
①9.6×10.1= ②12.5×3.7×0.8= ③1.2×2.5+0.8×2.5=
④4.8×0.25= ⑤99×0.6= ⑥2.6×1.25﹣1.6×1.25=
用简便方法计算:
①9.6×10.1= ②12.5×3.7×0.8= ③1.2×2.5+0.8×2.5=
④4.8×0.25= ⑤99×0.6= ⑥2.6×1.25﹣1.6×1.25=