内容正文:
小数的乘法运算定律
1.34×1.8+4.66×1.8
3.1×7.6-3.1×3.6
3.5×5.4-1.5×5.4
1.4×2.81+1.4×7.19
7.2×5.46+7.2×1.54
6.95×6.4-5.95×6.4
0.81×2.4+8.19×2.4
4.88×1.8+2.12×1.8
3.86×7.2-0.86×7.2
1.4×2.11+1.4×4.89
7.2×3.24-7.2×1.24
2.3×2.1+3.7×2.1
0.2×1.8+5.8×1.8
0.8×2.22+0.8×7.78
0.5×9.6-0.5×8.6
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0.1×5.2+0.1×1.8 2.4×6.22-2.4×3.22 6.4×6.91-6.4×5.91
1.6×9.52-1.6×0.52 3.72×3.1+0.28×3.1 3.6×6.63-3.6×2.63
3.1×2.29+3.1×1.71 1.4×9.81-1.4×0.81 2.37×0.5-0.37×0.5
6.22×5.4-0.22×5.4 0.34×9.6+7.66×9.6 5.6×2.6+1.4×2.6
4.99×1.5-1.99×1.5 2.1×1.4+2.1×8.6 5.82×6.2+0.18×6.2
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