31x870+13x31025x65+25x2878X4+78X3+78X125X32X25X88X1272X12二、8100諮汐3000v125v1250^25^三、2356-(1356-721)小学四年级简便运算+口算试题(A4直接打印)第一部分:简便计算1235-(1780-1665)75x27+19x2599X13+1325+199X25四、(300+6)x1225x(4+8)125x(35+8)(13+24)x8968-599五、84x101504x2578x10225x20499x64六、99x16638x99999x99七、847-527-273278+463+22+3732X16+14X32690-177+77755-287+87七、847-527-273278+463+22+3732X16+14X32690-177+77755-287+87七、847-527-273278+463+22+3732X16+14X32690-177+77755-287+87十、871-299157-99363-199(13x125)x(3x8)(12+24+80)x50十六、158+262+1381248今243150T5(2130+783+270)+101799+999+9999+99999十九、497-2992370+19953999+4982357-2365-1086-21484X36+64X8475X99+2X75十九、497-2992370+19953999+4982357-2365-1086-214第二部分:口算试题18x4=35x2=133x4=40x800=130x5=18x5=80x30=300x30=24x3=19x7=31x20=32x30=2x380=140x6=6x42=21x40=25x2=13x80=180x4=190x5=150x6=250x4=