3/4×9/13÷3/4===17/11×5-5÷11/3===
1个回答
3/4x9/13/3/4
=3/4x4/3x9/13
=1x9/13
=9/13
17/11x5-5/11/3
=5x(17/11-3/11)
=5x14/11
=70/11
相关问题
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计算 (1-3)×(3-5)÷(5-7)×(7-9)÷(9-11)×(11-13)÷.x(2011-2013)÷(201
计算 (1-3)×(3-5)÷(5-7)×(7-9)÷(9-11)×(11-13)÷.x(2011-2013)÷(201
1/4 + 3/4 ÷ 2/3 9/22 + 1/11 ÷ 1/2×5/3 5/3 × 11/5 + 4/3 ÷12/6
算一算、题目如下:4/5÷8/9×5/6 11/4×5/7÷11/2 36÷9/11÷18/5 6/7×5/3÷4/5
32×40+450÷18 3 11 + 3 5 + 8 11 + 2 5 (6-1.3×4)÷0.1 13.7×1.4-
直接写出得数. 9 11 × 5 9 = 2 9 ×4× 3 8 = 5 7 ÷5= 3 4 - 1 3 = 3 7 ÷
9/11÷3×【13/14-(3/4-3/14)】
添括号,使等式成立1+2×3-4÷5=1 1×2+3-4+5÷6=11+2÷3×4+5+6-7÷8=11×2+3+4-5
脱式计算. 9 10 ÷[ 1 3 ×( 6 5 - 3 10 )] 9 13 × 1 7 + 4 13 ÷7 11 2