数一数，图中有多少个黑方格和白

数一数，图中有多少个黑方格和白方格？4{7G-s7u3},A)R+w

4{7G-s7u3},A)R+w

黑方格有：4{7G-s7u3},A)R+w

算式：提示2r9G-~*L)K.L'm:M0q-W)Z4{7G-s7u3},A)R+w

白方格有：4{7G-s7u3},A)R+w

算式：提示.@1j8f)m6T8J0?0W+]4B:H'G8]3@-i4{7G-s7u3},A)R+w