五年级数学上册乘法分配律专项训练
<p>一、乘法分配律</p><p>6.8×2.5 64× 0.25 8.32 × 12.5 1.25 ×(8-0.8)</p><p>3.7×103 4.8×2.5 24×0.25 83.2×12.5</p><p>1.25×(8-0.8) 2.7 × 102 (100+10)×3.78 5.6×0.25</p><p>3.2×12.5 16.48×1.25 102× 0.45 0.56×0.25</p><p>43.2×12.5 24.48 ×1.25 (100+10)×4.78 101×0.35</p><p>二、乘法分配律逆用</p><p>1.2×2.5+0.8×2.5 2.8×3.1+3.1×0.2 5.28 ×99+5.28</p><p>5.36×3.5 -3.5×0.36 67.4×3.5+32.6×3.5 3.7 ×2.5 +2.5×6.3</p><p>2.26×3.5-3.5×0.26 4.7×2.28+5.3×2.28 9.6×9.9+0.1×9.6</p><p>23.28×99+23.285.37×97+3×5.37 300×3.6+6.4×300</p><p>2.9×3.1+3.1×0.15.28×99+5.28 7.2×9.1+7.2×0.9</p><p>8.7×10.7-8.7×0.7</p>
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