赚现金
+= 6.2÷0.5= = 1﹣= = 44== 8﹣2= = 4÷0.25= = +4×=
直接写出得数﹣= 10÷= 35×= 0÷= ×6=+= 5﹣= 5×÷5×= 6+= ÷=
直接写得数×5%= ××0= ﹣= 1﹣=÷= 0×+= 1﹣80%= 1÷=
直接写出下面各题得数.+= ×= 36×25%= 27÷3%= ÷10=52﹣32= ÷= 3﹣= ÷16= ×+×=
直接写得数.﹣= ÷12= 15×= 36÷= += ×12=÷= ×= ××16= 1÷÷= ÷2÷= ×9÷×9=
口算.+= ×4= ÷= ×=15÷= ÷8= 0÷= ﹣=
直接写出得数= = 3.14×8= =1﹣40%= = = 52=
直接写得数.+0.625= 24×= ÷9=(+)×12= 12×25%= ÷=
直接写得数+= ﹣= ×= ×=×÷×= += ×0+3= 3+1.75=÷= (+)×=
直接写得数.= 4﹣1.63= = == = = == 27×5%= %= =
直接写出得数+= ×= 1﹣20%﹣= 4×== +25%= 3﹣= =
直接写得数.4÷40%= ×= 20×5.5= (+)×4=﹣= 2.9+3.4= 0.1÷0.01= 6﹣﹣=÷3= 6×= ÷= 1÷﹣÷1=
口算:+= 3﹣2= 1÷1= 7×÷7×=5÷5= ×1.2= ×1= (+)×20=
直接写出得数+= 1÷= ×= ÷9=(﹣0.5)÷= ÷= ×= ÷10=﹣= ÷×=
用递等式计算..
直接写得数.×= ÷= 1﹣=0.13= (+)×8= ﹣=+= ×= 0÷=÷3×÷3=
直接写出得数×24= ÷= 25××= 5.8×9+5.8=+= 5÷5÷= ÷÷×= 1÷2.5%=
直接写出得数. =80%= 1÷10%= 74×4×25%= ×15%=
直接填得数×= ×= 16×= ÷= 1÷=÷= 9÷= ÷33= 1﹣25%= 75%+0.25=÷= ﹣=
直接写出得数.= = = == = = == = = == = = == = = == = = ==
直接写出得数×10= += 52×=9÷= ÷= 11﹣=0÷×= ﹣+= 1÷9×=
直接写得数.×= ÷2= ×14= 10×=×2= ×= ÷= ÷=
直接写出得数.×40= = 25×= == = 1﹣50%= ÷== ×=
直接写得数×5= ÷= 10×= ÷=×÷×= 99×+= 3﹣﹣= 1÷4×=()÷6= ÷÷1=
直接写出得数.16×= ×= ×= ÷=÷= 9÷= ××=
直接写得数.÷3= 10÷= ÷= ×=÷= ×= 4×= 1﹣=×60= ×= ×= ××=÷5= 30÷= ÷= ×÷=
= = = == = = =
直接写出得数:2.4×= ; = ; :0.75= ; ÷ =0.1;0.180%×= ; 32÷(1+60%)= ; 2﹣1= ; ×40=.
直接写出得数.= = = = == = = = =
口算.0.75+= 0÷= ×= +20%=30÷= ×12×= 63:27= :=
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