算式运用符号3()3()3()3()3()3=100 3()3()3()3()3()3()3=1003()3()3()3()3()3()3()3=100 3()3()3()3()3()3()3()3()3=1003()3()3()3()
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算式运用符号3()3()3()3()3()3=1003()3()3()3()3()3()3=1003()3()3()3()3()3()3()3=1003()3()3()3()3()3()3()3()3
算式运用符号3()3()3()3()3()3=100 3()3()3()3()3()3()3=1003()3()3()3()3()3()3()3=100 3()3()3()3()3()3()3()3()3=1003()3()3()3()
算式运用符号
3()3()3()3()3()3=100 3()3()3()3()3()3()3=100
3()3()3()3()3()3()3()3=100
3()3()3()3()3()3()3()3()3=100
3()3()3()3()3()3()3()3()3()3()3()3=100
算式运用符号3()3()3()3()3()3=100 3()3()3()3()3()3()3=1003()3()3()3()3()3()3()3=100 3()3()3()3()3()3()3()3()3=1003()3()3()3()
3(*)3(*)3(*)3(+)3(*)3=100 3(*)3(*)3(*)3(+)3(+)3(+)3=100
3(*)3(*)3(*)3(+)3(*)3(+)3(-)3=100
3(*)3(*)3(*)3(+)3(+)3(+)3(+)3(-)3=100
3(*)3(*)3(*)3(+)3(*)3(+)3(-)3(+)3(-)3(+)3(-)3=100
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长方体金属块浸没在水中,写出测量它所受浮力大小的试验方案(1)写出2种方案(2)写出运用的物理原理,试验器材,(3)写出最后的计算式(用设定的物理量符号表示)
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