17— ÷ 4 —=939—÷ 6 — = 45 2 + 1 —=5 2—+ 1 —= 3 3 6— + 6 — = 775 — + 13— = 2 216 — ÷ 2 —= 575 —× 1 —= 824 + 1 —=27 — × 9 —= 3 87—× 2 —= 8395% + —1 =21 — + 9 —=8891+—3= 3 × 5—=34—× 7 — = 4 6 1 — × 4 —=73 185% × — = 17—× 3 —=6 2 4 9÷ — =82× 1 —= 7 6 — × 9— = 78 560
-330=
10×80= 480
÷20= 41
-0.6= 0.7
×0.1= 7.7 ÷0.7= 7.8
-0.18= 69.3
+8= 22.4
÷0.08= 898
-28= 9.3
+0.3= 71
+13= 670
+230=
21×80= 910
÷70= 70
-0.7= 0.85
×0.1= 7.2 2.51÷ 0.3=
+0.43 = 2.3
÷0.01= 6.7
+0.12= 14
÷0.05=
5 — ÷ 1 — =8 16 8 — ÷ 1 — = 5 9 5 — + 1 — = 8 3 9 9 ÷ —8 = 6 — × 9 — = 5 6 8 — ÷ 4 — = 7 1 5 — ÷ 13 — = 4 19 4— - 4 — = 9 4 9 — × 1 — = 3 7 2 ÷5 —4 = 7— + 1 — = 8 6 1 — × 1 — =7 2 55% × —1 = 12 — × 1 — =5 6 7 × 1 — = 5 7 ÷ 1 — = 6 3 — × 8 — =4 1 7 — ÷ 1 — = 7 3 70%× —1 = 7 1 — + 7 — =7 8 4 - 8 — 7 = 8 × 9 — = 8 9
+0.72= 98
-40= 960
+280=
10×20= 440
÷40= 77
+0.1= 0.25
×0.8= 9 ÷7.66 0.6 =
-0.77 = 3.9
-0.26= 865
+39= 1.3
×0.2= 1
-0.05= 78
+36= 950
+480=
21×20= 960
÷40= 74
-0.7= 0.25
×0.4= 8.4 ÷0.2= 8.37
+ 0.33 = 8.6
-0.13=
6 — + 6 — =7 1 5 — ÷ 7 — = 2 2 13 — + 4 — = 5 5 2 — × 3 — = 3 2 9 7 + — = 5 8 — + 10 — = 6 9 8— + 6 — = 9 5 7— ÷ 5 — = 4 11 4 — ÷ 8 — = 5 5 6— ÷ 1 — = 7 35 1 - — 7 = 4 — + 4 — =3 5 1 — + 3 — =6 450% × —6 = 1 5 — × 3 — =8 4 4 4 ÷ —5 = 2 - 5 — = 9 4— ÷ 4 — = 8 3 1 — + 1 — =7 3 20% + —1 = 1 8 — ÷ 3 — =9 2 6 1 + — = 5 79.2
-7= 11.5
÷0.05= 29.1
+2= 59
+39= 970
+200=
16+30= 650
÷50= 49
+0.2= 0.3
×0.5= 6 ÷6.2 0.3 =
-0.55= 1.5
×0.1= 39.6
-7= 3.8
÷0.02= 39.9
-8= 82
+48= 970
-210=
18×30= 840
÷70= 53
-0.8= 0.15
×0.3= 3.1 ÷ 0.1 =
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