直接写得数.
0.3×1.5= 1.2×0.7= 0.43×2=
0.09×0.5= 1.6×0.25= 8.04×50=
0.7×0.9×10= 8×0.9+8×2.1=
口算.
2.5×0.6×0.4= 1.25×0.7×0.8=
0.1×0.2×0.3= 5.4﹣0.4×5=
0.26×0.2×50= 0.5×0.75×4=
12.5×0.1×0.8= 0.4×0.1×0.25=
6.7×1.2○1.2 3.7×0.65○3.7
4.2×0.6○4.2 0.8×1.4○0.8
3.85×9.5○3.85 9.4×2.5○9.4
0.9×0.9○0.95 5.43×0○5.43
3.5×5.3○5.3×3.5 4.8×0.999○4.8×1.01
1×0.95○0×1.22.
试题篮
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