51 — + — =66 162 — - — =77 8111— + — = 56 5 90% ÷ — =4151.8×0.9=
86-31=
800+170=
24×20=
690÷30= — + — =7225 - —4=8—× 1 —= 7 910— × 1— = 957—÷ 1— = 416 4 — + 1 —= 5 561— + — = 52 9 1 × — =67 —× 4 —= 55 — ÷ — =
768
× 1 —2=
7 × 8 —=
10 9— × 3— =
9 41—+ 1 —=
8 430%÷—5 =
416 — ÷ — =
67 2
-6—5=
2 ÷ 1 —=
9
39-0.8= 0.45×0.2= 9.8 ÷6.68 0.7= -
0.73=59.9+4= 2.7÷0.01= 1.5÷0.01= 8.5÷0.05= 89+49= 990
+440= 22+70= 900÷20= 55-0.9= 0.35×0.9= 9.1 8.41÷ 0.7= -
0.44=1.5×0.8=
9 4 — ÷ — = 8 3 1 7 — + — = 8 8 13 24 1 — × — = 5 7 1 1 — × — = 4 2 1 3.9-0.11=
8+0.76=
6-0.18=
70-30=
540-250= — + — = 3 3 3 — × 1 — = 4 2 3 - 8 — 9 = 1 — × 1 — = 8 2 6 — + 1 — = 3 5 2— + 5 — = 8 8 13 8 — ÷ — = 7 7 5 — + 4 — = 4 5 5÷5 — 4 = 95% × — = 12 — ÷ 8 — =
5 76
× 1 — =
2 9 × 1 — =
1 6 — + 1 — =
7 5 1 — ÷ 1 — =
3 3 6 10% × — =
17 — + 1 — =
3 7 4
÷ 1 — 3 =
28+10= 840÷70= 87+0.5= 0.8×0.3= 6 ÷0.43.45 = -
0.86=89.2+6= 5.9-0.29= 1.7×0.1= 25.2÷0.09=60-14= 660
-260= 14+40= 900÷60= 62-0.6= 0.8×0.9= 8 ÷ 0.5
=
1 8 — ÷ — = 3 9 7 1 — × — = 6 7 1 1 10 6 + — = 9 7 5 — × — = 8 4 1 1 6.67-0.98=
9.8÷0.07=
4.9-0.14=
218+11=
49.8-6= — + — = 6 16 6 — + 4 — = 9 9 7 — × 1 — = 6 5 9 5- — = 8 4 — ÷ 1 — = 9 4 6 — + 8 — = 5 7 5 11 — + — = 8 16 8 — + 1 — = 7 3 7 — + 4 — = 4 5 — ÷ — =
8 5 85% × —6 =
1 7— ÷ 9 — =
6 8 6 9
+ — =
8 4 × 4 — =
3 5 — × 8 — =
6 9 1 4 — × — =
7 5 20% ÷ —7 =
1 6 — ÷ 4 — =
7 3
65-38= 640
+150= 11×80= 690÷30= 94-0.9= 0.8×0.9= 9.2 ÷0.21.51 = +
0.78= 19.6+3= 4+0.37= 5.3+0.21= 79.8-5= 66+32= 900
-220= 10+90= 520÷40= 93+0.2=
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