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.
下面各题对吗?把不对的改正过来
56.7×38=2154.6
9.4×4.9=4.606
8.2×0.66=5.312
0.82×1.5=0.123.
我会填.
(1)1.2×6= + + + + + .
(2)5.24×6的积有 位小数.
(3)根据l3×27=351,写出下面各题的积.0.13×27= ,13×2.7= 1.3×27=
(4)在一道乘法算式里,一个因数扩大100倍,另一个因数不变,积 .
2.3×0.3= 0.42×0.2= 3.5×0.2=
12×0.2= 1.8×0.5= 0.9×0.11=
1.22×0.4= 0.12×0.6= 0.02×500=
试题篮
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