-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
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-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34-13×2/3-0.34×2/7+1/3×(-13)-5/7
-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
=(-13)×(2/3+1/3)-0.34×(2/7+5/7)
=-13×1-0.34×1
=-13-0.34
=-13.34
-13*3/2-0.34*7/2+3/1*(-13)-7/5*0.34=?简便计算
-13*2/3-0.34*2/7+1/3*(-13)-5/7*0.34算结果.
-13×2/3-0.34×2/7=1/3×(-13)-5/7×0.34简便算法
-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
13*3分之2-0.34*(-7分之2)+(-13)*(-3分之1)+7分之5*0.34
(-13)×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
13*2/3-0.34*3/7+(-13)*1/3-5/7*0.34
(-13)*2/3-0.34*2/7+1/3*(-13)-0.34*2/7-5/7*0.34到底怎么算注意 是两个0.34*2/7
-13*2/3-0.34*2/7+1/3*-5/7*0.34
简便运算:13×(-2/3)+0.34×(-2/7).13×(-2/3)+0.34×(-2/7)-1/3×13+(-0.34)×(-9/7)
-13×3分之2-0.34×7分之2+3分之1×(-13)-7分之5×0.34
负13 * 3分之2 - 0.34* 7分之2 +3分之1 *(负13) -7分之5 *0.34
—13×2/3-0.34×2/7+1/3×(—13)—5/7×0.34简便方法
-13*2/3-0.34*2/7+1/3*(-13)-5/7*0.34 *是乘号、/是分号
(-13)×1/3-0.34×5/7+2/3×(-13)-2/7×0.34 用简便方法计算
(-13)×2/3-(0.34×2/7)+1/3×(-13)-5/7×0.34这道题怎么算?
简便计算:-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34+3 这几个是0.34,而不是0.341
-13×2/3-0.34×2/7+1/3 ×(-13)-5/7 ×0.