4.42÷(0.25×6.8)=( )
1.02×0.5=
1.25×0.8=
0.58+0.42=
36.12÷4=2
10-9.35=
9.9+0.1÷10=
2.44÷0.4=
0.3÷0.3×0.3÷0.3=
18-3.35-5.65 2.78×0.02+0.98×2.78 8.5×101
问题:
解答: