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5.2×2.3+2.4×4.6怎样简便怎样算?
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5.2×2.3+2.4×4.6
=5.2×2.3+2.4×2×2.3
=5.2×2.3+4.8×2.3
=(5.2+4.8)×2.3
=10×2.3
=23
=5.2×2.3+2.4×2×2.3
=5.2×2.3+4.8×2.3
=(5.2+4.8)×2.3
=10×2.3
=23
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5.2×2.3+2.4×4.6=5.2×2.3+(2.3+0.1)×4.6=5.2×2.3+2.3×4.6+0.46=2.3×(5.2+4.6)+0.46=2.3×9.8+0.46=23
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5.2x2.3+2.4x4.6
=5.2x2.3+2.4x2x2.3
=5.2x2.3+4.8x2.3
=5.2+4.8的和乘2.3
=十乘2.3
=23
=5.2x2.3+2.4x2x2.3
=5.2x2.3+4.8x2.3
=5.2+4.8的和乘2.3
=十乘2.3
=23
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原式=5.2*2.3+2.4*2.3*2
=5.2*2.3+2.4*2*2.3
=5.2*2.3+4.8*2.3
=(5.2+4.8)*2.3
=10*2.3
=23
=5.2*2.3+2.4*2*2.3
=5.2*2.3+4.8*2.3
=(5.2+4.8)*2.3
=10*2.3
=23
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