10.1乘以7.2用简便方法怎么计算
10.1乘以7.2用简便方法怎么计算
10.1乘以7.2用简便方法怎么计算
解:原式=(10+0.1)×7.2
=10×7.2+0.1×7.2
=72+0.72
=72.72
6.23乘以10.1用简便方法计算(递等式计算)
6.23*10.1(递等式计算)
=6.23*(10+0.1)
=6.23*10+6.23*0.1
=62.3+0.623
=62.923
0.63乘以10.1如何用简便方法计算
0.63乘以10.1
=0.63×(10+0.1)
=0.63×10+0.63×0.1
=6.3+0.063
=6.363
29乘以10.1用简便方法计算正确答案
29×10.1
=29×(10+0.1)
=29×10+29×0.1
=290+2.9
=292.9
102乘以44乘以22用简便方法怎么计算
102乘以44乘以22用简便方法怎么计算
=44x2x11x102
=88x11x102
=968x102
=968x100+968x2
=96800+1000x2-32x2
=96800+2000-64
=98800-64
=98736
53乘以8乘以4用简便方法怎么计算?
1) 53×8×4=[(50+3)*8]*4 = (400+24)*4 = 1600+96 = 1696
2) (50+3)*32 = 1600+96 = 1696
...........
53×8×4
=(50+3)×8×4
=50×8×4+3×8×4
=1600+96
=1696
4.9乘10.1用简便方法怎么计算
4.9 x10.1
=4.9x(10+0.1)
=4.9x10+4.9x0.1
=49+0.49
=49.49