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210 7x6 的简便运算

210÷(7*6)=210÷7÷6=30÷6=5

先210除以7,得30,然后用30除以6210/(7X6)=5

简便计算题210* (7*6)210* (7*6)=210*42=8820直接计算

=210÷7÷6=30÷6=5

210/(7x6)=210/7/6=5

201÷(7X6)=201/(7x6)=67/(7x2)=67/14.

210÷(7x6)=210÷7÷6=30÷6=5

210x(7+2)=210x9=1890如有帮助请采纳,如对本题有疑问可追问,Good luck!

7x15x6=7x(15x6)=7x90=630

18x6-7x6=6x(18-7)=6x11=66

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