脱式计算:7.02*1.02 1.125/0.09 0.64*0.25+0.75=?0.78/26+0.5*0.02=?[2.8-2.8*(2.8-2.8)/0.7=?那里打不了了,还有:8*【1/(3.2-2.95)】.33.4-26.465/(2.6+4.1) 能减算的要减算,现在要,
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脱式计算:7.02*1.02 1.125/0.09 0.64*0.25+0.75=?0.78/26+0.5*0.02=?[2.8-2.8*(2.8-2.8)/0.7=?那里打不了了,还有:8*【1/(3.2-2.95)】.33.4-26.465/(2.6+4.1) 能减算的要减算,现在要,
脱式计算:7.02*1.02 1.125/0.09 0.64*0.25+0.75=?0.78/26+0.5*0.02=?[2.8-2.8*(2.8-2.8)/0.7=?
那里打不了了,还有:8*【1/(3.2-2.95)】.33.4-26.465/(2.6+4.1) 能减算的要减算,现在要,
脱式计算:7.02*1.02 1.125/0.09 0.64*0.25+0.75=?0.78/26+0.5*0.02=?[2.8-2.8*(2.8-2.8)/0.7=?那里打不了了,还有:8*【1/(3.2-2.95)】.33.4-26.465/(2.6+4.1) 能减算的要减算,现在要,
7.02*1.02
=7.1604
1.125/0.09
=12.5
0.64*0.25+0.75
=0.16+0.75
=0.91
0.78/26+0.5*0.02
=0.03+0.5*0.02
=0.03+0.01
=0.04
[2.8-2.8*(2.8-2.8)/0.7]
=[2.8-2.8*0/0.7]
=[2.8-0/0.7]
=[2.8-0]
=2.8
8*[1/(3.2-2.95)]
=8*[1/0.25]
=8*4
=32
33.4-26.465/(2.6+4.1)
=33.4-26.465/6.7
=33.4-3.95
=29.45
lz你小学生吧?
7.02×1.02
=7.02×1+7.02×0.02
=7.02+0.1404
=7.1604
1.125÷0.09
=9÷8×100÷9
=100÷8
=12.5
0.64×0.25+0.75
=0.64×0.25+0.25×3
=3.64×0.25
=0.91×(4×0.25)
=0.91
全部展开
7.02×1.02
=7.02×1+7.02×0.02
=7.02+0.1404
=7.1604
1.125÷0.09
=9÷8×100÷9
=100÷8
=12.5
0.64×0.25+0.75
=0.64×0.25+0.25×3
=3.64×0.25
=0.91×(4×0.25)
=0.91
0.78÷26+0.5×0.02
=0.03+0.01
=0.04
[2.8﹣2.8×(2.8﹣2.8)]÷0.7
=(2.8﹣0)÷0.7
=2.8÷0.7
=4
8×[1÷(3.2-2.95)]
=8×(1÷0.25)
=8×4
=32
33.4-26.465÷(2.6+4.1)
=33.4﹣26.465÷6.7
=33.4﹣3.95
=29.45
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