2024年人教版六年级下册数学期末核心考点复习-常见难题

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A.140B.180

C.220D.360

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0.3:90%=12:(x+0.3)

3.iWAWIAit£WfiWWo(6A)

20.25x2024-20.23x2025

x1.25

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4.1:41:9

5.6:406.3.14

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X-yX-5=18

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111

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333

2X=M

0.3:90%=12:(x+o.3)

W:0.3(x+0.3)=90%xl2

x+0.3=10.8-0.3

x=36-0.3

x=35.7

3.20.25x2024-20.23x2025

=2025x20.24-20.23x2025

=2025x(20.24-20.23)

=2025x0.01

=20.25

1

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6090

x=1080

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2.2404-2•■=900(m)

b)W900mo