1. 直接写得数。
①6.5+2.6=
②5.2-1.7=
③3.6+6.2=
④7.2-3.5=
⑤5.5+2.8=
⑥6.1+2.5=
⑦3.6-1.2=
⑧1.3+3.5=
⑨4.3+4.2=
⑩6.5-5.2=
⑪3.8-2.6=
⑫7.7+1.2=
⑬2.7-1.5=
⑭6.4-4.1=
⑮3.3+4.4=
⑯8.8-0.5=
⑰4.3+5.2=
⑱7.6+1.6=
⑲2.2+0.9=
⑳2.4+3.1=
㉑5.6-1.8=
㉒6.2+0.3=
㉓3.5+3.8=
㉔3.4-1.8=
㉕5.3+2.9=
㉖3.5-2.1=
㉗8.4+0.2=
㉘5.6+2.3=
㉙1.2+2.5=
㉚7.8-5.2=
㉛3.8-1.7=
㉜2.5+2.3=
㉝6.3-5.4=
㉞3.7+1.7=
㉟1.8-0.7=
㊱4.5+2.6=

①6.5+2.6=9.1
②5.2-1.7=3.5
③3.6+6.2=9.8
④7.2-3.5=3.7
⑤5.5+2.8=8.3
⑥6.1+2.5=8.6
⑦3.6-1.2=2.4
⑧1.3+3.5=4.8
⑨4.3+4.2=8.5
⑩6.5-5.2=1.3
⑪3.8-2.6=1.2
⑫7.7+1.2=8.9
⑬2.7-1.5=1.2
⑭6.4-4.1=2.3
⑮3.3+4.4=7.7
⑯8.8-0.5=8.3
⑰4.3+5.2=9.5
⑱7.6+1.6=9.2
⑲2.2+0.9=3.1
⑳2.4+3.1=5.5
㉑5.6-1.8=3.8
㉒6.2+0.3=6.5
㉓3.5+3.8=7.3
㉔3.4-1.8=1.6
㉕5.3+2.9=8.2
㉖3.5-2.1=1.4
㉗8.4+0.2=8.6
㉘5.6+2.3=7.9
㉙1.2+2.5=3.7
㉚7.8-5.2=2.6
㉛3.8-1.7=2.1
㉜2.5+2.3=4.8
㉝6.3-5.4=0.9
㉞3.7+1.7=5.4
㉟1.8-0.7=1.1
㊱4.5+2.6=7.1

2. 在○里填上“＞”“＜”或“=”。
①8.01○8.009
②0.325○0.532
③15.32○14.58
④0.91○0.88
⑤8.20○7.60
⑥2.28○2.38
⑦0.8○0.800
⑧0.025○0.02
⑨0.75○0.750
⑩12.75○12.80
⑪10.28○10.279
⑫9.52○7.68
⑬4.08○4.80
⑭0.65○0.650
⑮0.34○0.304
⑯5.40○5.4
⑰3.30○3.300
⑱60.8○80.6

①＞
②＜
③＞
④＞
⑤＞
⑥＜
⑦=
⑧＞
⑨=
⑩＜
⑪＞
⑫＞
⑬＜
⑭=
⑮＞
⑯=
⑰=
⑱＜