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4 4 4 4的组成与加减的组成与加减的组成与加减的组成与加减 1；.2；.4314133；.4224224；.4314135；.1 + 3 = 42 + 2 = 43 + 1 = 46；.4 - 1 = 34 - 2 = 24 - 3= 17；.+=1 + 3 = 4-=4 - 1 = 38；.2 + 2 = 4+=4 - 2 = 2-9；.3 + 1 = 44 - 3 = 110；.41433131134442422222244434113222442314431224422134422211；.4 - = 2 - 2 = 23 + = 43 + 1 = + 1 = 44 - 3 = 4 - = 1 - 3 = 1 + 3 = 4 1 + = 44 - = 34 - 1 = - 1 = 32 + 2 = 2 + = 4 + 2 = 44 - 2 = 1 + 3 = 41331442222441313412；.
