Question

直接写出得数．　2.6+1.3= 12.4÷4= 7.5÷3= 18.6÷0.6= 2.5×4= 25÷2= 2.8÷0

Answer 1

2.6+1.3=3.9 12.4÷4=3.1 7.5÷3=2.5 18.6÷0.6=31

2.5×4=10 25÷2=12.5 2.8÷0.4=7 4.5÷0.15=30

1.5×6=9 5÷0.5=10 5÷2=2.5 1.2÷0.03=40

7.2÷0.9=8 1.3×3=3.9 8.5÷5=1.7 2.6÷2=1.3

1.8×0.2=0.36 10÷0.1=100 4.1×3=12.3 1.7×6=10.2