60×7=        56＋34=        24×5=          80×10=

188÷4=       50×20=        800＋900=     3500－1400=

45÷3=        74×5=          520÷13=        56÷4=

250×6=       196×4=           - =           + =

22×30=       800÷4=

9869{#blank#}1{#/blank#}103060    38496{#blank#}2{#/blank#}34896    1000030{#blank#}3{#/blank#}89040069

39×6{#blank#}4{#/blank#}240        320÷80{#blank#}5{#/blank#}4       560÷82{#blank#}6{#/blank#}7

230×4=               25×8÷2=               40×600=

80×25=               129×0×5=              20×50=

70×20=              30×（15-7）=           24×100=

420÷30=             70+25×40=              80×60=