
简算下列各题
4.6×1.25+1又4分之1×4.3-0.9×125%-17分之5×7÷7分之5×7+1.01×99...
4.6×1.25+1又4分之1×4.3-0.9×125%-1
7分之5×7÷7分之5×7+1.01×99 展开
7分之5×7÷7分之5×7+1.01×99 展开
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4.6×1.25+1又4分之1×4.3-0.9×125%-1
=1.25×(4.6+4.3-0.9)
=1.25×8-1
=10-1
=9
7分之5×7÷7分之5×7+1.01×99
=7分之5÷7分之5×7×7+(1+0.01)×99
=1×49+1×99+0.01×99
=49+99+0.99
=148.99
=1.25×(4.6+4.3-0.9)
=1.25×8-1
=10-1
=9
7分之5×7÷7分之5×7+1.01×99
=7分之5÷7分之5×7×7+(1+0.01)×99
=1×49+1×99+0.01×99
=49+99+0.99
=148.99
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