198 — - — =55 71 — ÷ — =87 9 1 30% + — =611— × — = 25 1640+340=
17+20=
910÷70=
91-0.9=
0.8×0.4= 7+ — =18—÷ 8 — = 5 97—× 2 —= 8 35— + 5— = 819 8 — + 8 —= 710 7 — + 6 —= 9 7 79+ — =18—× 1— = 448 —+ 6 —= 37 2- — =
28× 7 —=
6 4 —÷ 3 —=
5 41— ÷ 3 —=
6 290%÷—5 =
61— ÷ 1—=
67 6 1
× — =
2 3- 6 — =
54—+ 6 —=
57
8.8÷0.2= 7.71 -
0.72= 490-31=3+0.73=4.8÷0.03=1.2×0.9=66+24= 650
+340= 10+80=840÷70=40-0.1=0.45×0.3= 7.2÷0.4= 3.56 -
0.02= 1.7×0.2=1.9×0.1=59.3-5=
1 1 — ÷ — = 4 4 11 4 — - — = 7 7 8 41 4 — × — = 7 5 1 10% ÷ — =3 1 2 670-33=
51-38=
510+300=
28+20=
820÷20= — × — = 9 5 8 7 ÷ —8 = 1 — + 7 — = 3 6 6 — + 1 — = 5 5 7 — + 1 — = 2 13 2— + 8 — = 5 5 7 1 — + — = 6 3 3 1- — = 9 5— ÷ 3 — = 8 4 — ÷ — =
8 3 8
× 9 — 8 =
5 × 9 — =
1 8— + 1 — =
5 1 4 — ÷ 6 — =
8 5 35% + —4 =
5 1 1 — + — =
3 6 2
÷5 —6 =
5 × 1 — =
7
84+0.8= 0.55×0.7= 6 ÷7.03 0.3 = +
0.66=3.9+0.11= 3.7-0.27= 1.3×0.9= 9+0.66= 86-26= 810
-350= 26×20= 950÷50= 97-0.5= 0.2×0.7= 9 ÷3.69 0.5 = +
0.01=3.9÷0.03=
6 6 — + — = 7 5 1 13 — ÷ — = 6 6 11 21 1 — × — = 4 4 1 6 — × — = 6 7 1 4-0.27=
39.2-1=
1.7×0.5=
93-27=
770+370= — + — = 3 2 3 — ÷ 4 — = 3 5 6 ÷ 1—7 = 10— + 1 — = 9 8 7 — + 3 — = 7 1 2— + 13 — = 4 4 17 8 — + — = 7 8 7 — ÷ 4 — = 7 37 + 9 — 8 = 75% × — = 13 — + 1 — =
9 44
÷ 3 — =
2 3 + 1 — =
10 8 — × 7 — =
9 6 1 — × 1 — =
5 2 1 25% ÷ — =
14 — + 5 — =
5 4 4
÷ 5 — 4 =
24+30= 950÷50= 72-0.5= 0.85×0.7= 5.1 ÷0.38.35 = -
0.35=39.9+8= 1.4-0.24= 9.9+0.29= 59.4+6= 94+39= 670
-350= 20+70= 960÷40= 43-0.6= 0.7×0.5= 9 ÷ 0.5
=
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