妈妈买来一块豆腐，要分成8小块，最少要切几刀？*h6C'C6Y
算式：提示*d5o(t5^4z6k*h6C'C6Y
答：最少要切,E-P2k6J4t/m0s:[*z5b5T5k+g)B9w5e*P刀。*h6C'C6Y