48×36+36×51+99×63怎样简便计算,

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48×36+36×51+99×63怎样简便计算,

48×36+36×51+99×63怎样简便计算,
48×36+36×51+99×63怎样简便计算,

48×36+36×51+99×63怎样简便计算,
48×36+36×51+99×63
=36×(48+51)+99×63
=36×99+99×63
=99×(36+63)
=99×99
=99×(100-1)
=99×100-99×1
=9900-99
=9801
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48×36+36×51+99×63
=36×(48+51)
=99×36+99×63
=99×(36+63)
=99×(100-1)
=9900-99
=9801

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48×36+36×51+99×63
=36×(48+51)+99×63
=99×36+99×63
=99×(36+63)
=99×(100-1)
=9900-99
=9801

48×36+36×51+99×63
=36×﹙48+51﹚+99×63
=99﹙36+63﹚=﹙100-1﹚²
=100²-2×100+1
=9801
七年级学生答案

48×36+36×51+99×63
=36×(48+51)+99×63
=36×99+99×63
=99×(36+63)
=99×99
=99×(100-1)
=9900-99
=9801

36*(48+51)+99*63
=36*99+99*63
=99*(36+63)
=99*99
=99*100-99
=9801