0.38×2.06=
[ ]
A.78.28
B.782.8
1.7×0.86=
A.1462
B.1.462
1.56×2.5=
A.3.9
B.13.9
38×0.45=
A.171
B.17.1
1.6×24=
A.3.84
B.28.4
6.24的5倍是
A.30.2
B.31
7个4.05是
A.28.05
B.28.35
0.65×108=
A.70.2
B.702
3.14×12=
A.27.68
B.37.68
0.82×7=
A.5.64
B.7.54