2.2×0.5= 1.6×0.03= 0.3×50= 5.09×0.2=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
32.5×0.31=
5.9×3.14≈(得数保留一位小数)
19.76÷5.2=
23÷3.3=(用循环小数表示)
1.5÷0.3= 2-1.01= 4.5+4.05= 7.9÷0.79= 1+3.7÷0.37=
9.6÷3.2= 0.8×0.2= 8.4÷4= 3.1×0.4= 1÷0.25×4=
2.4÷3= 20×0.5= 0.7÷2= 0.5×6=
0.35÷7= 0.6×100= 2.8÷4= 0.06÷5=
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=
我会画:
我会算:
47+53= 420÷70= 100﹣28.5= 0.03×8= 234﹣199=
50×80= 2.7÷0.9= += 1÷= ×=