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细心算一算(要注意符号和检查)(1)(-53)+(+21)-(-69)-(+37)(2)−712+611−512+511(3)(−3)2−[(−23)+(−14)]÷112(4)−14÷(−5)2×(−53)+|0.8−1|(5)|−0.75|+(+314)−9−(−0.125)+(−58)−|
题目详情
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(3)(−3)2−[(−
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(4)−14÷(−5)2×(−
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(5)|−0.75|+(+3
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(−3)2−[(−
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(4)−14÷(−5)2×(−
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(5)|−0.75|+(+3
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(4)−14÷(−5)2×(−
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(5)|−0.75|+(+3
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(4)−14÷(−5)2×(−
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(5)|−0.75|+(+3
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(4)−14÷(−5)2×(−
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(5)|−0.75|+(+3
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−14÷(−5)2×(−
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(5)|−0.75|+(+3
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(5)|−0.75|+(+3
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(5)|−0.75|+(+3
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(5)|−0.75|+(+3
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(5)|−0.75|+(+3
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(5)|−0.75|+(+3
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(5)|−0.75|+(+3
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|−0.75|+(+3
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▼优质解答
答案和解析
(1)(-53)+(+21)-(-69)-(+37)=-53+21+69-37=(-53-37)+(21+69)=-90+90=0;(2)−712+611−512+511=(-712−512)+(611+511)=-1+1=0;(3)(−3)2−[(−23)+(−14)]÷112=9-(-1112)×12=9+11=20;(...
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