用竖式计算.
2.5×44= 64.8÷18=
14.3×38= 1.69÷26=
32=
0.2×0.4=
6÷0.6=
0.12=
0.81÷0.9=
1.52= .
口算
0.6×5= 300×6= 1.2÷3= 80﹣23=
3.2×3=19×4= 0.07×6= 100÷4= 4.5÷3=
7.89×4.27
28.56÷5.1
102.6÷3.8.
0.9×0.08= 6+14.4= 24÷0.04= 3.2×7÷3.2×7=
0÷3.8= 0.77+0.33= 7÷1.4= 187.7×11﹣187.7=
7.2÷8×4= 400÷125÷8==(
)×12=
1﹣= 2.34﹣2.3= 1.9×4×0.5= 67.5+0.25=