7个4连加，和是多少？ 7×4＝28

7×1 =       6 × 2 =        3×8 =       2×6 =

5×3 =       9 × 3 =        2×7 =       5 × 4 =

8×2 =       4× 8 =         3 ×9 =      7 × 3 =

5×9{#blank#}1{#/blank#}45         2+2+2{#blank#}2{#/blank#}2×2         6×0{#blank#}3{#/blank#}0+6

14{#blank#}4{#/blank#}7×7         3×6{#blank#}5{#/blank#}6+6+6+6     3×5{#blank#}6{#/blank#}4×3+3

6×3＝                      2×1＝                       14＋8＝                      4×6＝

3×7＝                      5×9＝                       3×8＝                         74－20＝