【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《口算题、简便算法》,欢迎阅读!

640÷80= 15×5= 23×3= 12×2×5= 480÷80= 16×5= 27×3= 90÷15= 48÷4= 640÷16= 39÷3= 24×20= 32×3= 48÷16= 12×8= 27×3= 56÷14= 24÷8= 14×2= 83-45= 560÷80= 96÷24= 40÷20= 40×30= 37+26= 76-39=
605+59= 30×23= 12×8= 5.3×0.3= 4.4×0.3= 4×8.8= 4.1×0.8= 9.9×0.6= 6.4×0.6= 4×9.7= 9.8×0.3= 4.8×0.5= 0.6×7.5= 4.2×1.8= 8.6×0.4= 3×4.3= 0.2×5.6= 9.4×0.8= 5.4÷10= 0.45÷0.15= 3.6÷0.1= 3.2÷100= 8.5÷ 1.7= 1.2÷0.3 = 0.49÷0.7= 0.096÷0.03= 84÷4.2= 0÷0.25= 1÷0.01= 7.2÷0.9= 9.3÷0.3= 4÷0.4= 10-4.4= 6+6.6= 9.5-2.7= 1-0.55= 3.7+4.8= 7+3.3= 0.9+1= 45÷3= 2.7+3.9= 18×4= 416÷4= 1-0.44= 0.7+0.9= 1-0.98= 3.25+0.75= 14.6-0.4= 10-0.1= 14+0.78= 1-0.3= 564+234=
236+897= 961-564= 597-348= 8.5×100= 3.2÷100= 0.18×0.3= 8.5÷ 1.7= 1.2÷0.3 = 0.49÷0.7= O .04×25= 0.096÷0.03= 84÷4.2= 1000×0.756= 2.5×1.47×0.4=0.5×100=
8.7+0.03= 0.9+0.1= 1-0.8= 4.5-4= 5.6+4= 5.7+3.3=
10-4.4= 6+6.6= 9.5-2.7= 73.4+52.1= 258+456=
二、计算 3.8×2.5
三、简便计算16.12×99+16.12
四、解方程
4.5x+3.4=16.9
五、几何知识
51.84÷5.4
2.64+3.85+1.54
8.8x=10.56
5.6 ×2.8
126÷3+24÷3
7.3x-5.6x=64.6
13.7×0.25×400
49.3-15x=25.3
708-665= 0.45÷0.5= 1.25×80= 0.15×8= 二、计算
4.02×300= 9.8×10= 12×0.5= 6.1÷2= 6.8+3.2= 100-32.5= 2.5÷25= 0.9+0.99= 400÷0.1= 4.5×3= 3.1×0.5= 0.83+0.2= 2.02×9= 30.3÷3= 2.74÷2= 6÷0.02= 2.76-0.36= 0.06×0.9= 5.8+3.4= 328+708= 25×0.01= 4.1×0.5= 19.04÷2= 0.74-0.24= 36.05÷5=
0.2÷0.01= 8.73÷0.9= 0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6= 1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 0.44×2= 0.25×40= 0.2×0.5= 6.4÷3.2= 7.5+5.4= 0.01×0.9= 42÷0.7= 0.7+12.4= 0.25+0.75= 12×0.5= 16÷1.6= 5.4÷1.8= 25×0.04= 10-5.6=
1.23÷3= 8-2.6= 63÷0.09= 6.2÷0.2= 7.8+2.2= 5.4÷0.9= 0.84÷6= 0.7×5= 5.5+3.6= 300×1.2= 6.25÷5=
1.2÷0.3 = 0.49÷0.7= O.04×25=
0.096÷0.03= 84÷4.2= 1000×0.756=
0.5×100= 2.5×1.47×0.4= 0÷0.25= 1÷0.01= 1.25×8= 3.8×2= 7.2÷0.9=
6.3÷9= 7.2÷0.6= 4.2÷1.4= 3.9÷3.9= 0÷6.81=
1.47×0.4= 0.4×0.25= 14+0.78= 1-0.3= 5-0.08= 1.1-1= 1.64+2.35=
8. 34-6.22= 12 .6+3.4= 9.3÷0.31=
0.56÷0.28= 6.1 -2.08= 5.2×8=
7.2÷40= 4.3÷0.01= 0.06×0.8= 6.52-5.12= 3.6+1.8= 32+0.7= 25×0.01=
4.1×0.5=
5.8×2.3
三、简便计算 0.42×4×0.25
四、解方程
4.6x+3.4=21.8
五、几何知识
23.25÷2.5
10.64-3.45-1.55
9.9x=33.66
19.56 ÷2.8
522÷3+78÷3
8.3x-2.6x=35.91
7.8×3.4+7.8×6.6
52.3-8.3x=10.8
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