72×5{#blank#}1{#/blank#}350             24×5{#blank#}2{#/blank#}20×6

102×3{#blank#}3{#/blank#}103×2          400×4{#blank#}4{#/blank#}20×8

9×0×7×5{#blank#}5{#/blank#}9+0+7+5    358×8{#blank#}6{#/blank#}661×4

12×8=       20×4=      80×5=      3200-200=      24×4=

7×4+5=     247+76=     120×5=     123+64=      190+230=

202×2≈      77×3≈       402×2=     80-45=

68+21=       560-170=      670+40=       93-48=

110×7=       24×5=         52×6=          271×0=

+ =      1- =           - =           + + =

①11.6+2.4＝
②13.08﹣2＝
③210÷7＝
④120×8＝
⑤25×4＝
⑥360÷6＝