①36×2/7×5/72×43②(7/8+7/16)÷7/16③6/7×3/4+1/4×6/7
1个回答
1、原式=2/7×5/2×43=5/7×43=215/7
2、原式=(7/8)/(7/16)+1=2+1=3
3、原式=6/7×(3/4+1/4)=6/7
相关问题
16÷8= 36÷6= 5×9= 81÷9= 7×3= 72÷8= 6×4= 7×3= 48÷6= 28÷7= 42÷6
简便运算(4/7×6/11×7/8)÷(2/7×3/11×7/16)
45÷9= 36÷4= 7×4= 4 × 6= 8×7= 72 ÷ 8= 63 ÷ 7= 42 ÷ 6= 5 × 8=
5×8= 8×7= 18÷3= 56÷8= 36÷9= 72÷8= 4×7= 7×9= 24÷6= 6×9= 21÷3=
4×3= 5×4= 6×2= 30÷5= 5÷5= 6+7= 14-8= 36÷6= 42-(8+34)= 81-7-7
(1)4.89×0.5×2 (2)20.16÷7.2+6.8 (3)4.5×2.7+4.5×5.3
细心计算6.3× 3 4 +3.7÷ 4 3 ; (4.5×1.1×4.8)÷(3.3×0.8×0.5)7÷(7-7×0
直接写出得数. [3/4]×16=12÷[3/5]=24×[5/6]=[5/7]×[2/3]÷[5/7]=1÷[7/8]
3×(-9)+7×(-9) (5/4-7/6)×(-8/7) (-54)÷6÷(-3) (-54)÷6÷(-3) 2×{
5×3= 4×3= 2×9= 7×2= 18÷6= 15÷5 40÷5= 21÷7= 4×4= 8×4= 4×7= 5×