脱式计算(能简算的要简算)
841111173531 + + +- -( + ) 11- - 911912681010643
557173515249+++ ++ -+- ++
712 -( 34 - 12 )
1242+3-15
79-(16+49)
91210-(10+5) 12 -(34 -31238 ) 4+5-10 78-(12+329216) 9+(10-5 ) 34-2154129+4 6-9+6-9 37+815+473117+15 10+3+10 56-23+524 1720-(25+920)518+8-310-110 514+3914+14+4412412121812911911
+ 15-5÷12-712 5197 + 4 - 14
五年级下数学分数加减法练习题B卷
一、直接写得数
÷= ÷9= ÷= 108÷= ÷= ÷= ×100= ×8= ÷= ×4= ×= ÷= ×= ×= ×= ÷=
352154 + 6 = 3 - 4 = 7- 7 = 58 + 111213 = 2 - 5 = 9 + 2 = 56 - 141736 = 7 - 3 = 8 - 4 = 47 -162316 = 7 - 3 = 10 +4 = 13 - 15 = 11516 +4 = 7 - 5 = 412 + 2
3 = 310 + 7
10 = 14 +3
8 = 37 + 1
9 = 310 + 1
10
=
713117121
- - = - - = 1- - = 10101066633
33535
二、解方程x+ = x- = x- = 1
74
x-( 7135 - 5 ) = 5 12236 +3 + x = 24 12814 x+x = 3
4 x+56 x - 116x=4 6=
x- 111315 =30
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