口算
6×0.03= 1÷0.25= 8÷1.6=
1﹣0.3×0.6= 43÷0.01= 300×0.04=
14﹣1.4= 1.3×0.5= 0.42÷0.6=
7﹣1.4= 12﹣1.2= 2.5+2.5×3=
9÷0.01= 43÷0.1= 8.4÷4=
3.9﹣3.9÷3= 
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= 2﹣
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﹣
= 
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口算
6×0.03= 1÷0.25= 8÷1.6=
1﹣0.3×0.6= 43÷0.01= 300×0.04=
14﹣1.4= 1.3×0.5= 0.42÷0.6=
7﹣1.4= 12﹣1.2= 2.5+2.5×3=
9÷0.01= 43÷0.1= 8.4÷4=
3.9﹣3.9÷3= += 2﹣=﹣= ++=
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+
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﹣
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= 14÷
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÷
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×
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÷
= 6×
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= 9×
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÷2=
÷
= 1
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×1.3=
×
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÷
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=
﹣
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÷6=
÷
= 6×
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﹣
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×
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÷
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