3.1×0.03= 0.02÷100= 6-5×0.7=
(0.5+0.25)×4= 30-3.75= 19.9×2.1≈
16.9-3.02-6.9= 2.5-2.5×0.4-0.4=
300×60 =
21×70 =
24×200 =
140×70 =
11×500 =
400×32 =
29×201 ≈
68×298 ≈
0.7×100= 0.66×10= 1.25×8 = 2.5×0.4=
3.3×3= 5.6+3.4= 0.5×0.2= 10-6.9 =
10-3.6= 0.2+1.8= 15+25×4= 7.05×10÷100=
4.6+5.4= 4-0.7= 0.3÷10×100= 125×25×8×4=
9.65-5.5= 0.1+0.09= 12.4-3.9-6.1= 6×5÷5×6=
0.68+0.08= 2.28-0.28= 3.6+5.8= 10.9-9.7=
0.06×100= 0.9×0.5= 3.21×3= 12.5×0.8=
35×20= 640×3= 240×50=
125×(10﹣2)= 11×600= 50×800=
202×30= 200÷5÷4=
里程数
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