1. 直接写出结果。
$72 ÷ 12 =$ $68 ÷ 17 =$ $75 ÷ 15 =$
$90 ÷ 18 =$ $60 ÷ 15 =$ $56 ÷ 14 =$
$108 ÷ 18 =$ $117 ÷ 13 =$ $136 ÷ 17 =$
$72 ÷ 12 =$ $68 ÷ 17 =$ $75 ÷ 15 =$
$90 ÷ 18 =$ $60 ÷ 15 =$ $56 ÷ 14 =$
$108 ÷ 18 =$ $117 ÷ 13 =$ $136 ÷ 17 =$
答案:
1. 6; 4; 5; 5; 4; 4; 6; 9; 8 (从左往右,从上到下的顺序)
2. 列竖式计算。
$546 ÷ 14$ $420 ÷ 15$ $752 ÷ 16$
$684 ÷ 19$ $379 ÷ 13$ $480 ÷ 18$
$546 ÷ 14$ $420 ÷ 15$ $752 ÷ 16$
$684 ÷ 19$ $379 ÷ 13$ $480 ÷ 18$
答案:
2.
546÷14=39

420 ÷ 15 =28 752 ÷ 16 =47


684 ÷ 19=36 379 ÷ 13=29......2 480 ÷ 18=26......12


2.
546÷14=39
420 ÷ 15 =28 752 ÷ 16 =47
684 ÷ 19=36 379 ÷ 13=29......2 480 ÷ 18=26......12
3. 根据$● = ○ × 2$,在$□$里填数。
$● × 6 + ○ × 8 = ○ × □$ $● × 8 + ○ × 6 = ● × □$
$● × 6 + ○ × 8 = ○ × □$ $● × 8 + ○ × 6 = ● × □$
答案:
3. 20; 11
4. 用自己喜欢的方法计算。
$116 ÷ 14$ $588 ÷ 42$ $688 ÷ 68$
$240 ÷ 15$ $576 ÷ 36$ $666 ÷ 37$
$116 ÷ 14$ $588 ÷ 42$ $688 ÷ 68$
$240 ÷ 15$ $576 ÷ 36$ $666 ÷ 37$
答案:
4.
116 ÷ 14 =8......4 588 ÷ 42 =14 688 ÷ 68 =10......8

240 ÷ 15 =16 576 ÷ 36 =16 666 ÷ 37 =18
4.
116 ÷ 14 =8......4 588 ÷ 42 =14 688 ÷ 68 =10......8
240 ÷ 15 =16 576 ÷ 36 =16 666 ÷ 37 =18
5. 一车间上午织袜子$864$双。按每$12$双装$1$盒,每$12$盒装$1$箱计算,这些袜子可以装多少箱?
答案:
5. 864÷12÷12=6(箱)
答:这些袜子可以装6箱。
答:这些袜子可以装6箱。
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