七年级数学(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(1)每组中两算是的计算结果是否相等?(2)想
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![七年级数学(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(1)每组中两算是的计算结果是否相等?(2)想](/uploads/image/z/14266100-20-0.jpg?t=%E4%B8%83%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%EF%BC%882%C3%973%EF%BC%89%26%23710%3B2%E4%B8%8E2%26%23710%3B2%C3%973%26%23710%3B2%EF%BC%9B%5B%28-1%E2%88%953%29%C3%976%5D%5E2%E4%B8%8E%EF%BC%88-1%E2%88%953%EF%BC%89%26%23710%3B2%C3%976%26%23710%3B2%EF%BC%882%C3%973%EF%BC%89%26%23710%3B2%E4%B8%8E2%26%23710%3B2%C3%973%26%23710%3B2%EF%BC%9B%5B%28-1%E2%88%953%29%C3%976%5D%5E2%E4%B8%8E%EF%BC%88-1%E2%88%953%EF%BC%89%26%23710%3B2%C3%976%26%23710%3B2%281%29%E6%AF%8F%E7%BB%84%E4%B8%AD%E4%B8%A4%E7%AE%97%E6%98%AF%E7%9A%84%E8%AE%A1%E7%AE%97%E7%BB%93%E6%9E%9C%E6%98%AF%E5%90%A6%E7%9B%B8%E7%AD%89%3F%EF%BC%882%EF%BC%89%E6%83%B3)
七年级数学(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(1)每组中两算是的计算结果是否相等?(2)想
七年级数学(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2
(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2
(1)每组中两算是的计算结果是否相等?
(2)想一想,当n为正整数时,(ab)ˆn等于什么?
(3)逆用你所得到的结论计算:(-0.25)ˆ10×4ˆ9.
七年级数学(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(2×3)ˆ2与2ˆ2×3ˆ2;[(-1∕3)×6]^2与(-1∕3)ˆ2×6ˆ2(1)每组中两算是的计算结果是否相等?(2)想
1.相等
2.aˆn×bˆn
3.(-0.25)ˆ9×4ˆ9×(-0.25)=(-1)ˆ9×(-0.25)=0.25