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整理与复习,西师版一上数学第98页,146,158,117,137,157,126,128,115,135,124,113,竖着看,146,158,117,137,157,126,128,115,135,124,113,横着看,146,158,117,137,157,126,128,115,135,124,113,146,158,117,137,157,126,128,115,135,124,113,斜着看,8,7,9,5,9,4,7,9,17 - 8 9,6,5,8,7,9,8,+ 8 11,- 7 7,11,16,17,9,5,7,12,2,