(1)3又1/3减1又2/3=(2)8.5×0.25×4=(3)1-7/12=(4)1又5/12-5/6-1/6=(5)

3个回答

  • (1)3又1/3-1又2/3=1又2/3

    (2)8.5×0.25×4=8.5

    (3)1-7/12=5/12

    (4)1又5/12-5/6-1/6=5/12

    (5)3+1又8/9=4又8/9

    (6)2又5/6-1又1/6=1又2/3

    (7)1又1/4+1/3+2又3/4=4又1/3

    (8)2.9+3.8+5.6=12.3

    (9)3/4+1/4=1

    (10)70÷500=0.14

    (11)1.35-0.7=0.65

    (12)4又1/7-(1/2+1/7)=3又1/2

    (13)1you 2/3-1/2=1又1/6

    (14)6又1/2-(3+2.5)=1

    (15)2/3+1/5=13/15

    (16)8×4.4+8×5.6=80

    (17)1又7/8+3/8=2又1/4

    (18)10.8-4.6-3.4=2.8

    (19)5-2又2/7=2又5/7

    (20)2又1/2-1/4+1.5=3又3/4

    (21)2又1/2+3/4=3又1/4

    (22)1-1/2-1/3=1/6