Question

14.8-8.3+1.7如何简便运算

Answer 1

14.8-8.3+1.7如何简便运算

14.8-8.3+1.7
=6.5+2-0.3
=8.2

5.1×0.68÷(1.7×0.34)如何简便运算

（5.1÷1.7）×（0.68÷0.34）
=3×2
=6

10.2x8.3如何简便运算?

10.2x8.3
=(10+0.2)×8.3
=10×8.3+0.2×8.3
=83+1.66
=84.66

8.3*1.7+8.3*8.3的简便运算

=8.3*（1.7+8.3）
=8.3*10
=83

简便运算0.83×83十1.7×8.3

=8.3乘8.3+1.7乘8.3
=（8.3+1.7）乘8.3
=10*8.3
=83

简便运算0.83×83加1.7×8.3

0.83×83+1.7×8.3
=0.83×83+17×0.83
=0.83×(83+17)
=0.83×100
=83

如何简便运算2.5x1.7x10

2.5x1.7x10
=(2.5x10)x1.7
=25x1.7
=42.5

2800÷25，如何简便运算？

2800÷25
=28x100÷25
=28x(100÷25)
=28x4
=112

201*78如何简便运算

201×78
=（200+1）×78
=200×78+1×78
=15600+78
=15678
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