简便计算:1、6.3-(4.98-0.7)2、32.7/25/43、8.29-(2.29+1.9)4、0.25*32*1.25
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1、
6.3-(4.98-0.7)
= 6.3-4.98+0.7
= 6.3+0.7-4.98
= 7-(5-0.02)
= 7-5+0.02
= 2+0.02
= 2.02
2、
32.7/25/4
= 32.7/(25*4)
= 32.7/100
= 0.327
3、
8.29-(2.29+1.9)
= 8.29-2.29-1.9
= 6+1.9
= 7.9
4、
0.25*32*1.25
= 0.25*(4*8)*1.25
= (0.25*4)*(8*1.25)
= 1*10
= 10
6.3-(4.98-0.7)
= 6.3-4.98+0.7
= 6.3+0.7-4.98
= 7-(5-0.02)
= 7-5+0.02
= 2+0.02
= 2.02
2、
32.7/25/4
= 32.7/(25*4)
= 32.7/100
= 0.327
3、
8.29-(2.29+1.9)
= 8.29-2.29-1.9
= 6+1.9
= 7.9
4、
0.25*32*1.25
= 0.25*(4*8)*1.25
= (0.25*4)*(8*1.25)
= 1*10
= 10
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