附图
图
①、4.5×5.02=4.5×2x2.51=9x2.51=22.59②、4.5×5.02=(4+0.5)×5.02=4×5.02+0.5×5.02=20.08+2.51=22.59
4.5×5.02等于22.59。
4.5x5.02=22.59
