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×8 = ÷2 = ÷ = × = 6.8÷10%=
× = 1÷ = ÷50%= ×15= ÷ =
① - -
②3÷ - ÷3
③24×( - )×5
④60%×132-0.6×32
⑤[1-( + )]÷
× = ÷ = 0.6÷6%= 1- + =
:0.25= 0.32= + + + = × ÷ × =
年龄(岁)
出生
1
2
3
4
5
6
7
8
身高(cm)
52
73
85
93
101
108
115
120
127
× = ÷ = 40%÷2.5= × =
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