1
20 × 1 =
20
20 × 2 =
40
2+91
93
409+412
821
532+2=
534
1+4
5
2+21
23
40 × 4 =
160
40 × ?=120
3
20 × ?= 400
20
500 × 3 =
1500
421 × 6 =
2526
50 × 50 = ?
2500
200 × 2
400
90 × ?=360
4
20 × 39
780
34 × 43
1462
3 × 300=
900
2 × 29=
58
40 × ?= 200
5
4000 × 20
80000
2+2= what trick
fish
400 × 500=
200000
20 × 400
8000
400 × 200
80000