一道计算题!!!!!!!!!!!!!!!!!!! - 知识问答

一道计算题!!!!!!!!!!!!!!!!!!!

1个回答

0.7*1又2/11-6.6*3/7-2.27/3+0.7*9/11+3.37/8
=0.7*13/11-1.1*6**3/7-1.1*2÷7/3+0.7*9/11+1.1*3÷7/8
=0.7*13/11-1.1*6**3/7-1.1*2*3/7+0.7*9/11+1.1*3*8/7
=0.7*13/11+0.7*9/11-1.1*6*3/7-1.1*2*3/7+1.1*3*8/7
=0.7*(13/11+9/11)-1.1*3/7*(6+2-8)
=0.7*2
=1.4

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