北师大版四年级下册数学计算题

、口算 +=+=+=+=+=+=+ =1 =1 =5-0,42=X 10=+=X 50=+=100=+=X 1000=+=+=X 10=XX =100=X1000=X 10=X 100=1000=X 10=X1000=一10=X 100=X 100=X 10=+ 10=100=+1000=一1000=4X 3=4 X =X =13 3=X 2=X =36 24=2=36 X =X7=24=3 6=6=X =X =X 5=7X2=15X2=2=4=4=20 =+ =X 5=10 =+ 3=+4=二、竖式计算=38 -=6+5= +=10 =+=+=+=10=+=-2=8 一:+=85- =X =X=X =654 X =60=50=X =60=4=X48 X =x =x 8=12 x =6=+ 7=+5=-2=15=26 4=12 16=32 5=54 36=4 25=95=35+56=134 + 4=610+16=182 52=6=35 =- -：-2=2=32 =-2- -=7+ =435 + 12=+ =+ =73+3=+ 11=3+8=+ 11=+9=10+9=1 + 7=2+4=5+6=24 =+ 7=+ 5=+15=75=18=32=12=23=+ =X =X =X =21 + ：=+=8X=+5=X =x =9+ =X =117+36=X =（保留二位小数）X =600 + =X：=+ 15=X =二、计算并验算+ =+ =+ 17=+ =9 +X =117+36=X =四、脱在计算一 +15- +5+ 一+ -+5 一 + X 3(8+ xx xXX 4 x 13+ XX +22X 7 X + X10+x x 42 x + xx + x +14 + 30+ (X 4)x+52 + +26XX+ +90+x + X54+ +X4+ +X +7+96- X3+9+X(8 +5 X 99+ X4 X-X- +78+ +五、解方程x- 19=2x =4x=3803y=45=47+x=474x=426m=42y 21=146y=54x- 7=12a18=26=4824n=962x+20=803x+6=15一2=24x+3x=1802x x=44m - 2m=485y+y=96y+y=33x+3x=725x 2x=123y+3y=366x 3x=3m+2m=653x+4=34x+5=552x+5=452x6=403x+20=504x+9=2493y 6=48y+2y=45x 360=3126x x=125m + =3x=x18=402y+7=91x+=105x =