下面各题怎样算简便就怎样算. 125×32×25 300÷25÷4 ...
下面各题怎样算简便就怎样算.125×32×25300÷25÷46.53×99+3.47×992+3.48+6.52+48150÷(50-35)×3565×101....
下面各题怎样算简便就怎样算. 125×32×25 300÷25÷4 6.53×99+3.47×99 2+3.48+6.52+48 150÷(50-35)×35 65×101.
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(1)125×32×25
=125×8×4×25
=(125×8)×(4×25)
=1000×100
=100000;
(2)300÷25÷4
=300÷(25×4)
=300÷100
=3;
(3)6.53×99+3.47×99
=(6.53+3.47)×99
=10×99
=990;
(4)2+3.48+6.52+48
=(2+48)+(3.48+6.52)
=50+10
=60;
(5)150÷(50-35)×35
=150÷15×35
=10×35
=350;
(6)65×101
=65×(100+1)
=65×100+65
=6500+65
=6565.
=125×8×4×25
=(125×8)×(4×25)
=1000×100
=100000;
(2)300÷25÷4
=300÷(25×4)
=300÷100
=3;
(3)6.53×99+3.47×99
=(6.53+3.47)×99
=10×99
=990;
(4)2+3.48+6.52+48
=(2+48)+(3.48+6.52)
=50+10
=60;
(5)150÷(50-35)×35
=150÷15×35
=10×35
=350;
(6)65×101
=65×(100+1)
=65×100+65
=6500+65
=6565.
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