0.5×0.6= 0.16×0.5= 5.5×0.2= 3.5×3=
0.01×0.1= 1.2×0.6= 1.7×3= 80×0.04=
0.3×0.2= 3.4×10= 0.25×8= 500×0.02=
4.2÷0.6= 10÷0.01= 45÷4.5= 0.32÷8=
①0.42×15=
②5.2×0.8=
③1.37×0.21≈(得数保留一位小数)
④2.16×8=
5x-5=40
2.5x+2.5=5
2(x+0.8)=2.2
0.23÷10= 6.3÷9= 0×9.42= 0.48÷4=
0.51÷0.3= 1.5+3.5= 50×0.02= 10.2-8.2=
0.36÷0.36= 0÷7.8=
2.4×2= 0.3×0.8= 0.56÷0.8= 0.7+0.93=
4.5÷5= 90÷0.7= 3.5÷0.7= 2.8÷0.04=
4.12÷4= 1.8÷2= 1.2÷0.6= 3.6+4=
1-=