(5/6+4/7-2/3-5/14)÷(-1/42)?
1个回答
=5/6 ×(-42) +4/7×(-42) -2/3×(-42)-5/14×(-42)
=-35-24+28+15
=-16
相关问题
4×3= 5×4= 6×2= 30÷5= 5÷5= 6+7= 14-8= 36÷6= 42-(8+34)= 81-7-7
(5/6-3/7+1/3-9/14)÷(1/42)
1 8 ×14÷ 7 8 ( 4 5 + 3 10 )÷ 3 10 5 6 ÷( 1 2 + 5 6 ) 3 4 ÷ 1
-1-(1/3-5/21+3/14-2/7)÷(-1/42)
(1)72÷8= (2)42÷7= (3)36÷6= (4)48÷6= (5)35+21 (6)86-42 (7)19+
/14÷(1/3*6/7-1/14) 1/7+7/8*5/7-3/8 【1/2+(3/4-3/5)】÷7/10 简便计算
4/5+14/5x4/7 6÷2/3+2/3÷6 35 又7/11÷7 9/11÷8-5/11x1/8 2/5x「(1/
-1/42÷(1/6+2/3-2/7-3/14)=
计算 过程[_是代分数】-3/5)*(-3_1/2)÷(-1_1/4)÷3(1/6-2/7+2/3)÷(-5/42)|-
4/15+3/14÷1/6+5/7