①9.6×10.1, =9.6×(10+0.1), =9.6×10+9.6×0.1, =96+0.96, =96.96; ②12.5×3.7×0.8, =12.5×0.8×3.7, =10×3.7, =37; ③1.2×2.5+0.8×2.5, =(1.2+0.8)×2.5, =2×2.5, =5; ④4.8×0.25, =1.2×4×0.25, =1.2×(4×0.25), =1.2×1, =1.2; ⑤99×0.6, =(100-1)×0.6, =100×0.6-0.6, =60-0.6, =59.4; ⑥2.6×1.25-1.6×1.25, =(2.6-1.6)×1.25, =1×1.25, =1.25. |