虹桥第二小学校三年级上数学口算计算寒假作业单（20）
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一．口算（每题1分） 58×3 = 400×50= 64 ÷8 = 800×3 = 67 ×8= 45 ÷9 = 76 + 98 = 39 + 89 = 46 ×6 = 97 +48 = 36÷4 = 89 – 37 = 87 – 39 = 68 × 7 = 87 – 35 = 0 + 77 = 920 -437 = 54 ×6 = 76 ÷ 8 = 79 ÷ 9 = 67 + 69 = 47 ×4= 79 ÷8 = 620 ×6= 98 + 19 = 88 × 4 = 610-158= 78 ×4 = 67 +36 = 71 – 46 = 68 – 29 = 42 ÷7 = 170 –39= 49+ 67 = 503 ×8 = 256 + 305 = 158 +487 = 80 ×9 = 600 – 390 = 67 ÷ 9 = 750 –289 = 350 + 90 = 390 -89 = 58 ×3 = 62 – 17 = 48 + 69 = 69 – 38 = 100 –29 = 0 ×169 = 56 +49 = 二．竖式、脱式计算（每题4分） 640×9= 489×9= 603 – 389= 569×8= 437×7= 738+389= 854 – 368= 704×9= 678×7= 597+758= 精品文档
精品文档 (368– 179) ×3 = =
50×8 - 278 = = = = 489+72÷9 630-(489-221) = = (720-648) ÷8 = = 精品文档
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