水果店运进5箱梨，每箱装9千克，每千克可以卖4元钱，这些梨一共可以卖多少钱？
直接写出得数．=== 5.6÷4= 3.4﹣8====
直接写出得数=== 3×===== 8×==
直接写出得数．=====×+=﹣=+=
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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= 6÷
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÷1= 2
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= 1
÷1+
÷3= 1
÷0.8= 5.4×
=
×0.7+0.3=
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