有一根长180厘米的绳子，从一端开始每3厘米作一记号，每4厘米也作一记号，然后将有记号的地方剪断，绳子共被剪成多少段?
直接写出得数.0.68+0.32= 32×12.5%= += 40÷50×100%=÷÷= （÷）÷= +÷+= （+）×24=
直接写得数． 8.0﹣2.57= 57+23= 25×4%= 3= 1÷=12×（）= 9.8÷0.7= ×9÷×9= ×0= 1.5+0.1=
直接写出得数= = = =8.8×1.25= = = =
直接写出得数：142﹣69=4﹣3=3﹣﹣=（+）×16=
直接写出得数．= 50÷50%=0.25×0×4= == 9.7﹣6.8=100×0.22= == =
+
= 40÷50×100%=
= （
÷
）÷
= 
+
÷
+
）×24=
= 1÷
=
）= 9.8÷0.7= 
×9÷
×0= 1.5+0.1=
= 
= 
= 
=
= 
= 
=
﹣3
=
﹣
﹣
=
+
）×16=
= 50÷50%=
= 
=
= 9.7﹣6.8=
=
= 
=
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