Question

简便计算:10.2x4.8-2x4.8

Answer 1

简便计算:10.2x4.8-2x4.8

简便计算:
10.2x4.8-2x4.8
=（10+0.2）x4.8-9.6
=10x4.8+0.2x4.8-9.6
=48+0.96-9.6
=48.96-9.6
=39.36

76.2x4.8+25.4x85.6【简便计算】

76.2x4.8+25.4x85.6【简便计算】
=3X25.4x4.8+25.4X85.6
=25.4X(3x4.8+85.6)
=25.4X(14.4+85.6)
=25.4x100
=2540

3.1x4.8 7.2X26的简便计算

（3*4）+（3*0.8）+（0.1*4）+（0.1*0.8）=14.88
（7*26）+（0.2*26）=187.2

6.73x4.8 5.2x6.73怎样简便计算?

6.73x4.8 +5.2x6.73
=6.73*（4.8+5.2）
=6.73*10
=67.3

4.8x45÷4.8x4.5的简便计算

原式
=4.8÷4.8×45×4.5
=45×4.5
=202.5

120x7.6+111x4.8+10.2x76这个题目怎么简便计算

120x7.6+111x4.8+10.2x76 ＝120x7.6+102x7.6+111x4.8 ＝7.6（120＋102）＋111×4.8 ＝7.6×2×111＋111×4.8 =111(15.2+4.8) =111×20 =2220

5.5x4.8十4.5x4.8怎样简便计算

5.5x4.8十4.5x4.8
=(5.5+4.5)x4.8
=10x4.8
=48

4.8x4.9十4.1x4.8+4.8怎么简便计算

4.8x4.9十4.1x4.8+4.8
=4.8x(4.9+4.1+1)
=4.8x10
=48

4.8x3.55+6.45x4.8的简便计算

4.8x3.55+6.45x4.8
=3.55x4.8+6.45x4.8
=(3.55+6.45)x4.8
=10x4.8
=48

65x4.8+18.2简便计算

65*4.8+18.2
=（60+5）*4.8+18.2
=60*4.8+5*4.8+18.2
=330.2
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