Question

直接写得数． 3-0.98= 4×0.25= 0÷0.9+0.1= 1.8÷0.1= 8.9÷0.89=

直接写得数． 3-0.98= 4×0.25= 0÷0.9+0.1= 1.8÷0.1= 8.9÷0.89= 2÷33÷0.01= 3.9×0.1= 1×25×0.8=

Answer 1

3-0.98=2.02， 4×0.25=1， 0÷0.9+0.1=0.1， 1.8÷0.1=18， 8.9÷0.89=10， 2÷33÷0.01= 200 33 ， 3.9×0.1=0.39， 1×25×0.8=20．