冀教版四年级上册四则混合运算300题
540+ ( 30X15+50 )
6X58- ( 174+89 )
( 75+49 )÷( 75-44 )
25X ( 22+576+ 32 )
84+[(8+6) X2]
42x[169- ( 78+35)]
72+ [960+ ( 245-165)]
540+[( 3+6) x2]
180+[36+ ( 12+6) ]
540+ ( 30X15+ 50 )
6X58- ( 174+89 )
(75+49)十(75-44)
25X ( 22+576+32 )
84+[( 8+6) x2]
42X[169- ( 78+35 ) ]
72+[960+ ( 245- 165 ) ]
540+[( 3+6) X2]
180+[36+ ( 12+6)]
75X 12+280+ 35
48X ( 32-17 ) +30
(564--18X24):12.
490+[210+ ( 750+25 )]
(53-588+21)x36
( 736+ 16+27 ) X18
78X50- 144+12
( 87+16) X ( 85-69 )
680+21X15- 360
[175- ( 49+26)] X23
972+ 18+35x19
( 29+544+34 ) X 102
26X ( 304- -286) +39
756+[4X ( 56-35 )]
36+300+ 12
848- 800÷16X 12
(132+68)X(97-57)
972+(720--21X33)
450+[ ( 15+10 ) X3]
( 45+38-16 ) X24
500- ( 240+38X6 )
[64- ( 87-42 )] X 15
( 7100-137-263 ) +100
250+240+8X 5
840÷ 40+40X 40
960- 720÷8X9
2400 ÷[1200+ ( 600+15 ) ]
520+22X ( 15+45 )
160+740+20-37
900+[2X ( 320- 290 ) ]
[492- ( 238+192 )] X26
972- ( 270+31x9 )
600- ( 165+35X3 )
[196+ ( 84- 12 )] X5
7100- 137- 263+300
7101- 675- 600+ 15X 12
720+[( 187+18 )÷41]
14X[( 845-245)一12]
[668- ( 132+245 )] +97
12X[( 76+57 )÷19]
840+(320+80)(28+32)X(90-40)
480+[4X ( 50-40 )]
72+36+29X3
320- 50X4+25
12X ( 34+46 ) +32
(53+47)X(86-24)
720+34X 18- 340
(120-54)X(42+98)
[203- ( 25+75)] X16
380+[240+ ( 36+3 ) ]
120+24-20+4
900+ ( 120-20X3
768+[8X ( 76-68 )]
130x[( 600- -235 ) +73
115- 15+20X3
115-(15+20)X3
(440-280)X(300-260)
14X[( 860-260)÷15]
32X18- 540+ 45
(900--16X35)一34
840+[15x ( 32-28 )]
909-[36X ( 350+14 )]
910-( 300+180+5) X12
600+ ( 30- 10) +5
490+[210+ ( 360+12)]
72+[2x ( 105-87 )]
240+15X ( 351-347 )
480+ ( 60+10x2 )
640+[140+ ( 630+9 )]
[368- ( 132+129 )] X34
50+20X28-42
22+(374-10)+ 26
44+16X15-32
(4275-24X75) +25
36-720+ (360+ 18)
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