2.5+0.37= 1﹣0.73= 0.5×0.8= 0.9×7=
1.2÷0.4= 4÷0.5= 3.6÷4= 0.84÷0.4=
0.7×0.6=
2.8×0.4=
0.16×0.5=
1.8×0.04=
1.7+3.07=
2.8÷0.7=
12.5×8=
0.25×4=
0.72÷0.8= 27.9÷30= 1.6×2.5= 9.6÷0.6=
140×0.6= 7.2×0.7= 0.25×0.6= 0.86×2=
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 =
0.9×4= 0.25×4 = 0.18×0 = 0.2×0.5=
6.5×10 = 3.125×100= 30×0.5 = 0.4×60=
(元)
387+102= 4.8× = 18.6-5.6= 0.25×39×4=
9.6+0.1= + = 32×125%= ×8+ =