A-A+
3.42+5.58=6.8-1.9=10-8.4=0.4×25=8.4÷0.7=29×67=
问题详情
参考答案
3.42+5.58=9,6.8-1.9=4.9,10-8.4=1.6,0.4×25=10,8.4÷0.7=12,29×67=421,738÷1=738,4-225=135,12-14=14,0÷74=0,1.2×5=6,3.9÷0.3=13,247-99=148,647-19-81=547,4.3×5×0.2=4.3,8.7-(3.9+1.7)=3.1.故答案为:9,4.9,1.6,10,12,421,738,135,14,0,6,13,148,547,4.3,3.1.
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