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209十102 52十35 多少

209+102÷(52-35)=209+102÷17=209+6=215

209十102x(52一35)=209十102x17=209+100*17+2*17=209+1700+34=1909+34=1943

原式=209+102÷17 =209+6 =215

借:列式子:109+102÷(32-35)=109-102÷(-3)=109-(-34)=109+34=143

209十102÷(53一35)用脱式怎么算?209十102÷(53一35)=209+102÷18=209+5又2/3=214又2/3

如果是209+102÷(52-35),那么答案是215

=219/17

209十105÷(52一45)=209+105/7=209+15=224满意采纳

307十102÷(52一35)请问脱式怎么算307十102÷(52一35)=307+102/17=307+6=313

原式=209+2-35=176答案是176.

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