12.5×8= 50×0.4= 45÷0.9= 2.4÷8×0=
0.12+0.8= 0.42÷0.6= 5a+0.9a= 5+0÷5-5=
70÷5.6=
0.77÷3.5=
*42÷12=
1.25÷0.25=
6.12÷0.29≈(得数保留一位小数)
*6.58÷4.7=
0.7×0.3=
6.4÷0.8=
250×0.04=
7.2×3=
5.5÷1.1=
0.2×0.4=
0.27÷0.9=
5.8÷0.29=
0.4×2.5=
0.3×3.6=
0.24×0.5=
0.05×7=
0.81÷0.9=
0÷42=
5.7÷100=
4.2÷0.06=
100×0.9 = 0.99÷0.01= 0 ÷4.5 +5.5 =
0.25×0.2×4 = 1.25×0.8= 0.45÷45 =
8a -7a = 0.5×4÷0.5×4 =
0.48÷0.8= 2.5×4= 0.3÷0.01= 3.2×0.4=
4÷0.5= 5.5÷1.1= 12÷0.3= 1÷0.25=
0.64×10= 1.6÷0.5= 10÷0.1= 8×(2-1.25)=
1×9.73= 0.2÷0.05= 1.5+1.5÷1.5= 0.5×4÷0.5×4=