文档介绍：334+18X 25=
782-364-336= 528
+ 22X4= 3180+
(340+820)
125X 8+25=
20 X150-25= 69 X 14+31X 14= 3780 +63+334=
125X 8-800=
460-5100 +17=
273 + ( 67-28 )
(123+28) X 38=
108+12X6=
37 X 8+ 8=
85+27
X 16=
153
+ 17+54=
3264+ 8X70=
65 X 35-1668=
372+518 +1420=
8007-1680 +12=
465+ 15X 18=
5400 + (18X3)
1275+358+1725= 25 X (281+43)
334+18X 25= 782-364-336= 528 +22X4= 3180+340+820=
125X 8+25= 20 X150+ 25= 69 X 14+31X 14= 3780 +63+334=
125X8-800= 460-5100 +17= 273 + (67-28) = (123+28) X 38=
108+ 12X6= 37 X8 + 8= 85+27 X 16= 153 +17+54=
3264+ 8X70= 65 X 35-1668= 372+518 +14= 8007-1680 +12=
465+ 15X 18= 5400 + (18X3) = 1275+358+1725= 25 X (281+43)=
★371 + 369+ (231 + 29)=
★64 + 75+36+125=
★ 500-121-79=
★ 472-338+238 =
★ 888-
★ 561 + 119+139=
(88+177)=