的为黑色，图中共有黑色积木多少块？
相关试题
﹣
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÷9= 1﹣
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×
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÷
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÷
=
+
=
=
+
=
÷
=
﹣
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×
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+
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﹣
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×2=
×
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×
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÷4=
÷
= 12×
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÷42=
×
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×14=
÷4=
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﹣
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= 3.48+6.52=
×
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÷
= 0.8﹣
=直接写得数．
2/5﹣1/10= 16÷2/7= 1/2÷3/5= 1/7×1/7= 1/4×2/5=
5/6﹣1/2= 2/7×0+9= 3/5×1/21= 2/7×21= 14/17÷7=
1÷5﹣1/5= 4/7+4/7×6=（1/8+4/8）×4/5= 6×5÷1/2= 1/9÷1/3=
5/9×1/5÷5/9×1/5=
直接写得数．
2/5﹣1/10= 16÷2/7= 1/2÷3/5= 1/7×1/7= 1/4×2/5=
5/6﹣1/2= 2/7×0+9= 3/5×1/21= 2/7×21= 14/17÷7=
1÷5﹣1/5= 4/7+4/7×6=（1/8+4/8）×4/5= 6×5÷1/2= 1/9÷1/3=
5/9×1/5÷5/9×1/5=
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= 1﹣1%=
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