59×44= 63×72= 999÷111=
5.2-3.9=
128÷1000=
8.99-4.27=
10-2.8-2.2=
0÷93=
3.6+2.46=
0.52×1000=
24×25×4=
61+39÷3+97=1
8+28÷4-2×3=6
51×49+720÷48 618-936÷(35+17)
(127+209)÷12×45 960÷[4×(204-189)]
①0.25×0.975×40
②2.7+2.3×4.2
③70.8﹣5.25﹣4.75
④1.29+3.7+0.71+6.3
⑤0.89×4.8+0.89×5.2
9+99+999+9999+99999+999999+6
①25×32×125
②15.35﹣(5.35+7.2)
③240÷[(24+72)÷6]
④6.3+6.44+2.7+3.56
每天练字个数
30
25
20
15
练字天数
10
12