1 7×=
2 ÷28=
3 -(+)
4 (125×25)×4
5
6 569-399=
7 12÷ =
8 25÷=
1 7×=
2 ÷28=
3 -(+)
4 (125×25)×4
5
6 569-399=
7 12÷ =
8 25÷=
9 ÷=
10 ×=
11 ×=
12 +=
13 ÷=
14 9×=
15 453+198=
16 --=
17 578+216=
18 ××=
19 74÷37=
20 100-=
1 ÷=
2 ÷×
3 ÷3+×
4 ÷(+)
5 (-)÷
6 ÷28×
7 ÷16×
8 ×-×
9 (-)÷
10 ÷
11 ×99
12 420÷35
13 135÷
14 ×
15 286+198
16 314-202
17 102×45-328
18 ×+÷8
19 (50-) ÷
20 3001-1998.
1 86+(98+14+2)=
2 255+(352+145+48)=
3 (345+377)+(55+23)=
4 9+(80+191)=
5 (268+314+132)+86=
6 5190÷15=
7 495+(278+5)+222=
8 174×36×25=
10 ×
11 1650÷25=
12 260×8-8-8×59=
13 ××8
14 6975÷25=
15 328-(163-72)=
16 199+(84-99)=
17 885-1-201-298=
18 460-35-3-262=
19 (98+59+2)+41=
20 31×24×25=
1 9000÷25=
2 502-287-54-159=
3 307+(92+93)=
4 +-=
5 18000÷150÷4=
6 343-188-12=
7 79×24×25=
8 46+15+54=
9 89×245+155×89=
10 92+(79+8+21)=
11 125×88
12 88×102
13 5×289×2
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