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(-1)2-[1又3/7+(-12)/62*—(-3/4)(1)(-1)²-[1又3/7+(-12)/6²*—(-3/4)(2)(-8)/(-2)²-3*(-4)-2*3²/(-5)
题目详情
(-1)2-[1又3/7+(-12)/6】2*—(-3/4)
(1)(-1)²-[1又3/7+(-12)/6】²*—(-3/4)
(2)(-8)/(-2)²-【3*(-4)-2*3²】/(-5)
(1)(-1)²-[1又3/7+(-12)/6】²*—(-3/4)
(2)(-8)/(-2)²-【3*(-4)-2*3²】/(-5)
▼优质解答
答案和解析
(2)(-8)/(-2)²-【3*(-4)-2*3²】/(-5)
= -8/4-{3X(-4)-2X3²}/-5
= -2-{12-18}/-5
=-2-6
=-8
= -8/4-{3X(-4)-2X3²}/-5
= -2-{12-18}/-5
=-2-6
=-8
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