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6年级100道简便计算带答案带过程

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6年级100道简便计算带答案带过程

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300÷125÷8
=300÷(125×8)
=300÷1000
=0.3 
 396-96-172-28
 =(396-96)-(172+28)
= 300-200 
= 100 
 125*24
 = 125*8*3 
= 1000*3
 = 3000
 26*15 
= (20+6)*15 
= 20*15 + 6*15 
= 300+90 
=390 
 25*99*4 
= 25*4*99 
= 100*99 
= 9900 
 250*32 
= 250*4*8 
= 1000*8 
= 8000 
 (98+98+98+98)*25
 = 4*98*25 
= 4*25*98 
= 100*98 
= 9800

网友回答

0.4x125x25x0.8
=(0.4x25)X(125x0.8)
=100x100
=1000
1.25x(8+10)
=1.25x8+1.25x10
=10十12.5
=22.5
9123-(123+8.8)
=9123-123-8.8
=9000-8.8
8991.2
1.24x8.3+8.3x1.76
=8.3x(1.24+1.76)
=8.3x3
=24.9
933-157-43
=933-(157+43)
=933-200
=733
8.37-3.25-(1.37+1.75) =8.37-1.37-(3.25+1.75) =7-5 =2 3.4×99+3.4 =3.4×99+3.4×1 =3.4×(99+1) =3.4×100 =340 (125+125)×8 =125×8+125×8 =1000+1000 =2000 25×36 =25×4×9 =100×9 =900 (2.5+12.5)×40 =2.5×40+12.5×40 =100+500 =600 6.5×9.5+6.5×0.5 =6.5×(9.5+0.5) =6.5×10 =65
1+2··3.。。。。2+3···5
0.25x1.25x32 =0.25x1.25x(8x4丿 =0.25X4x1.25x8 =1X10 =10
500+20=520 20×26=520

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