一 口算题。
63×70 = 52×40 = 336÷8 = 6×800 =
82 + 18 = 450 - 160 = 35×50 = 130×5 =
6400÷40 = 44 + 56 = 600÷4 = 244 + 355 =
231×5 = 750÷25 = 97 - 79 = 60×12 =
105÷15 = 125×16 = 48×70 = 356÷4 =
71×60 = 368÷4 = 390÷13 = 82 - 28 =
450÷50 = 420 - 90 = 91÷13 = 460÷2 =
40×23 = 21×40 = 660÷11 = 50×12 =
630÷70 = 88÷4 = 35×40 = 24×30 =
200 - 20 = 6×13 = 24×20 = 17×40 =
240×400 = 51÷3 = 26×30 = 25 + 68 =
1900×5 = 25×30 = 276 - 192 = 840÷40 =
63×70 = 52×40 = 336÷8 = 6×800 =
82 + 18 = 450 - 160 = 35×50 = 130×5 =
6400÷40 = 44 + 56 = 600÷4 = 244 + 355 =
231×5 = 750÷25 = 97 - 79 = 60×12 =
105÷15 = 125×16 = 48×70 = 356÷4 =
71×60 = 368÷4 = 390÷13 = 82 - 28 =
450÷50 = 420 - 90 = 91÷13 = 460÷2 =
40×23 = 21×40 = 660÷11 = 50×12 =
630÷70 = 88÷4 = 35×40 = 24×30 =
200 - 20 = 6×13 = 24×20 = 17×40 =
240×400 = 51÷3 = 26×30 = 25 + 68 =
1900×5 = 25×30 = 276 - 192 = 840÷40 =
答案:
4410@@2080@@42@@4800@@100@@290@@1750@@650@@160@@100@@150@@599@@1155@@30@@18@@720@@7@@2000@@3360@@89@@4260@@92@@30@@54@@9@@330@@7@@230@@920@@840@@60@@600@@9@@22@@1400@@720@@180@@78@@480@@680@@96000@@17@@780@@93@@9500@@750@@84@@21
二 计算下面各题。
65 + 764÷4 - 49 (320 + 82)×3 - 180 270÷[(148 - 112)÷4]
(46 + 127)×32÷8 430 - (86 + 43×5) 800÷50 - 8÷2
65 + 764÷4 - 49 (320 + 82)×3 - 180 270÷[(148 - 112)÷4]
(46 + 127)×32÷8 430 - (86 + 43×5) 800÷50 - 8÷2
答案:
207@@1026@@30@@692@@129@@12
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