5.3×1.25.3 5.43×0.99 5. 43 4.84×0.90.9
1-0.7=
0.5+2.5=
0.7×9=
10×0.01=
0.03×7=
0.8×100=
1.2×0.3=
0.13×3=
20×0.5=
2.8×0.2=
2.4×6.7=
0.247×3.4=
6.3×10.1=
250×1.3=
5.74+2.6=
8.6-3.08=
3.8+5.46+2.2
2.8×0.5+0.1×2.8
0.25×7.9×0.4
8.56×101-8.56
x+23.5=50
8x+12=260
x÷0.8=1.25
34+2x=48