直接写出得数．=====×+=﹣=+=
李老师把米长的木棒锯成相等的若干段做学具，共锯了4次，每段长多少米？
直接写出得数．=== 5.6÷4= 3.4﹣8====
直接写数对又快： 1÷=+=÷=（﹣）×18=÷3=×=﹣=×÷×=
5.8+3=×= 6÷= 1÷﹣÷1= 2×10= 1÷3= 0.66÷= 1÷1+= 9÷3= 1÷0.8=5.4×=×0.7+0.3=
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米长的木棒锯成相等的若干段做学具，共锯了4次，每段长多少米？
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= 5.6÷4=
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÷
=（
﹣
）×18=
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﹣
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×
= 6÷
= 1÷
÷1= 2
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= 1
÷1+
÷3= 1
÷0.8=5.4×
=
×0.7+0.3=