6.7*3.6+3.6*3.3 和9.8*25的简便计算
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6.7*3.6+3.6*3.3 和9.8*25的简便计算
![6.7*3.6+3.6*3.3 和9.8*25的简便计算](/uploads/image/z/916124-68-4.jpg?t=6.7%2A3.6%2B3.6%2A3.3+%E5%92%8C9.8%2A25%E7%9A%84%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
6.7*3.6+3.6*3.3
=(6.7+3.3)×3.6
=10×3.6
=36
9.8*25
=4.9×(2×25)
=4.9×50
=245
=(6.7+3.3)×3.6
=10×3.6
=36
9.8*25
=4.9×(2×25)
=4.9×50
=245